Mar 30, 202318.880.150.79%18.7318.8818.39
Mar 29, 202318.40-0.62-3.37%19.0219.1018.36
Mar 28, 202317.44-0.73-4.19%18.1718.1717.40
Mar 27, 202317.86-0.41-2.30%18.2718.2717.85
Mar 24, 202317.91-0.30-1.68%18.2118.2117.83
Mar 23, 202318.080.341.88%17.7418.1517.69
Mar 22, 202317.72-0.10-0.56%17.8217.8317.53
Mar 21, 202317.790.211.18%17.5818.0717.52
Mar 20, 202317.39-0.03-0.17%17.4217.4817.07
Mar 17, 202317.61-0.11-0.62%17.7217.8917.41
Mar 16, 202317.680.060.34%17.6218.0717.45
Mar 15, 202317.46-0.66-3.78%18.1218.3117.29
Mar 14, 202318.020.070.39%17.9518.2217.82
Mar 13, 202317.69-0.59-3.34%18.2818.3217.54
Mar 10, 202318.260.281.53%17.9818.5117.79
Mar 09, 202318.470.221.19%18.2518.6118.24
Mar 08, 202318.54-0.09-0.49%18.6318.6418.43
Mar 07, 202318.82-0.09-0.48%18.9119.0018.67
Mar 06, 202318.980.000.00%18.9819.0618.78
Mar 03, 202318.91-0.09-0.48%19.0019.1518.88
Mar 02, 202318.990.180.95%18.8119.0818.60
Mar 01, 202318.91-0.12-0.63%19.0319.2718.88
Feb 28, 202319.000.120.63%18.8819.0418.70
Feb 27, 202318.90-0.01-0.05%18.9119.1918.81
Feb 24, 202318.77-0.06-0.32%18.8319.0118.73
Feb 23, 202318.780.040.21%18.7418.9218.69
Feb 22, 202318.64-0.19-1.02%18.8318.8318.45
Feb 21, 202318.79-0.09-0.48%18.8819.0918.76
Feb 20, 202319.01-0.08-0.42%19.0919.1218.87
Feb 17, 202319.030.241.26%18.7919.1618.71
Feb 16, 202318.98-0.43-2.27%19.4119.4218.93
Feb 15, 202319.360.351.81%19.0119.3618.96
Feb 14, 202318.97-0.07-0.37%19.0419.2518.86
Feb 13, 202319.040.020.11%19.0219.3218.97
Feb 10, 202319.01-0.46-2.42%19.4719.4718.90
Feb 09, 202319.57-0.29-1.48%19.8620.1219.39
Feb 08, 202319.840.040.20%19.8019.9419.56
Feb 07, 202319.660.090.46%19.5719.7919.41
Feb 06, 202319.440.452.31%18.9919.5718.98
Feb 03, 202318.92-0.01-0.05%18.9319.1018.72
Feb 02, 202319.120.190.99%18.9319.2918.87
Feb 01, 202318.84-0.05-0.27%18.8918.9218.59
Jan 31, 202318.70-0.32-1.71%19.0219.1718.57
Jan 30, 202319.130.130.68%19.0019.1918.85
Jan 27, 202318.900.030.16%18.8719.0218.69
Jan 26, 202318.890.774.08%18.1218.8918.01
Jan 25, 202318.19-0.62-3.41%18.8118.9218.01
Jan 24, 202318.90-0.08-0.42%18.9819.2318.77
Jan 23, 202318.82-0.12-0.64%18.9419.0518.49
Jan 20, 202318.650.281.50%18.3718.9018.32
Jan 19, 202318.26-0.16-0.88%18.4218.4418.04
Jan 18, 202318.51-0.31-1.67%18.8219.0118.47
Jan 17, 202318.780.653.46%18.1318.9518.11
Jan 16, 202318.011.518.38%16.5018.0816.50
Jan 13, 202316.390.040.24%16.3516.5816.28
Jan 12, 202316.350.000.00%16.3516.5816.16
Jan 11, 202316.27-0.13-0.80%16.4016.5116.07
Jan 10, 202316.380.050.31%16.3316.5116.11
Jan 09, 202316.32-0.39-2.39%16.7116.7116.16
Jan 06, 202316.54-0.27-1.63%16.8116.8116.24
Jan 05, 202316.650.100.60%16.5516.9616.55
Jan 04, 202316.430.492.98%15.9416.5915.81
Jan 03, 202315.830.020.13%15.8115.9415.65
Jan 02, 202315.740.130.83%15.6115.8415.52
Dec 30, 202215.43-0.18-1.17%15.6115.7415.38
Dec 29, 202215.510.332.13%15.1815.5214.96
Dec 28, 202215.03-0.31-2.06%15.3415.4515.02
Dec 27, 202215.28-0.27-1.77%15.5515.5915.21
Dec 23, 202215.42-0.02-0.13%15.4415.7915.29
Dec 22, 202215.36-0.29-1.89%15.6515.7415.30
Dec 21, 202215.560.402.57%15.1615.6015.07
Dec 20, 202215.050.010.07%15.0415.1814.81
Dec 19, 202215.20-0.33-2.17%15.5315.9115.03
Dec 16, 202215.33-0.41-2.67%15.7415.8215.26
Dec 15, 202215.78-0.76-4.82%16.5416.5415.77
Dec 14, 202216.60-0.63-3.80%17.2317.2316.59
Dec 13, 202217.22-0.40-2.32%17.6217.7417.15
Dec 12, 202217.44-0.21-1.20%17.6517.6517.07
Dec 09, 202217.460.110.63%17.3517.6417.27
Dec 08, 202217.240.301.74%16.9417.6316.84
Dec 07, 202216.860.241.42%16.6216.9816.61
Dec 06, 202216.710.040.24%16.6716.8116.42
Dec 05, 202216.560.271.63%16.2916.6916.14
Dec 02, 202216.190.281.73%15.9116.2715.87
Dec 01, 202215.840.231.45%15.6116.0215.56
Nov 30, 202215.480.040.26%15.4415.5015.24
Nov 29, 202215.18-0.52-3.43%15.7015.8815.18
Nov 28, 202215.63-0.27-1.73%15.9015.9015.37
Nov 25, 202215.86-0.14-0.88%16.0016.0315.53
Nov 24, 202215.920.030.19%15.8916.0215.83
Nov 23, 202215.910.402.51%15.5115.9215.50
Nov 22, 202215.480.462.97%15.0215.5214.93
Nov 21, 202214.92-0.12-0.80%15.0415.0414.67
Nov 18, 202214.960.030.20%14.9315.0514.73
Nov 17, 202214.88-0.04-0.27%14.9214.9914.61
Nov 16, 202214.92-0.27-1.81%15.1915.1914.81
Nov 15, 202215.23-0.27-1.77%15.5015.5015.09
Nov 14, 202215.30-0.61-3.99%15.9115.9115.11
Nov 11, 202215.740.050.32%15.6915.9515.60
Nov 10, 202215.700.281.78%15.4216.0315.19
Nov 09, 202215.470.070.45%15.4016.1515.26
Nov 08, 202215.370.342.21%15.0315.3714.97
Nov 07, 202214.990.543.60%14.4515.1814.34
Nov 04, 202214.53-0.01-0.07%14.5414.5713.90
Nov 03, 202214.34-0.38-2.65%14.7215.2514.19
Nov 02, 202214.22-0.19-1.34%14.4114.7613.81
Nov 01, 202214.23-0.66-4.64%14.8915.0514.14
Oct 31, 202214.70-0.25-1.70%14.9514.9514.59
Oct 28, 202214.790.090.61%14.7014.8314.39
Oct 27, 202214.75-0.34-2.31%15.0915.2414.45
Oct 26, 202214.970.251.67%14.7215.0214.71
Oct 25, 202214.690.241.63%14.4514.8114.40
Oct 24, 202214.34-0.10-0.70%14.4414.4914.19
Oct 21, 202214.32-0.13-0.91%14.4514.5314.22
Oct 20, 202214.470.060.41%14.4114.6214.33
Oct 19, 202214.60-0.23-1.58%14.8314.8314.46
Oct 18, 202214.59-0.22-1.51%14.8115.0114.53
Oct 17, 202214.770.251.69%14.5214.9014.34
Oct 14, 202214.34-0.66-4.60%15.0015.1514.30
Oct 13, 202214.720.130.88%14.5914.7514.31
Oct 12, 202214.63-0.17-1.16%14.8014.8514.44
Oct 11, 202214.45-0.40-2.77%14.8514.8514.28
Oct 10, 202214.91-0.01-0.07%14.9215.1314.81
Oct 07, 202214.89-0.19-1.28%15.0815.2114.87
Oct 06, 202215.13-0.51-3.37%15.6415.7114.93
Oct 05, 202215.50-0.17-1.10%15.6716.4715.41
Oct 04, 202215.520.261.68%15.2615.5515.01
Oct 03, 202215.000.573.80%14.4315.1014.20
Sep 30, 202214.630.362.46%14.2714.6714.21
Sep 29, 202214.21-0.32-2.25%14.5314.5313.67
Sep 28, 202214.510.151.03%14.3614.5713.39
Sep 27, 202214.37-0.96-6.68%15.3315.3814.33
Sep 26, 202215.130.261.72%14.8715.2514.81
Sep 23, 202215.020.161.07%14.8615.0914.63
Sep 22, 202214.82-0.59-3.98%15.4115.4114.72
Sep 21, 202215.270.090.59%15.1815.2914.97
Sep 20, 202215.00-0.41-2.73%15.4115.5814.75
Sep 19, 202215.510.271.74%15.2415.5114.66
Sep 16, 202215.160.171.12%14.9915.3114.82
Sep 15, 202215.21-0.32-2.10%15.5315.5414.94
Sep 14, 202215.42-0.19-1.23%15.6115.8015.09
Sep 13, 202215.75-0.82-5.21%16.5716.5715.69
Sep 12, 202216.510.362.18%16.1516.5716.00
Sep 09, 202216.020.382.37%15.6416.1015.63
Sep 08, 202215.540.100.64%15.4415.5515.05
Sep 07, 202215.24-0.07-0.46%15.3115.3215.06
Sep 06, 202215.200.040.26%15.1615.4814.92
Sep 05, 202214.950.221.47%14.7315.0014.72
Sep 02, 202214.97-0.26-1.74%15.2315.2814.82
Sep 01, 202214.68-0.47-3.20%15.1515.1914.45
Aug 31, 202215.540.311.99%15.2315.5414.89
Aug 30, 202215.05-0.51-3.39%15.5615.5814.97
Aug 29, 202215.400.462.99%14.9415.9614.70
Aug 26, 202214.90-0.36-2.42%15.2615.3914.88
Aug 25, 202215.06-0.45-2.99%15.5115.5315.03
Aug 24, 202215.240.070.46%15.1715.3914.98
Aug 23, 202215.17-0.16-1.05%15.3315.3615.01
Aug 22, 202215.26-0.02-0.13%15.2815.3914.71
Aug 19, 202215.39-0.23-1.49%15.6215.6715.37
Aug 18, 202215.62-0.20-1.28%15.8216.1415.56
Aug 17, 202215.77-0.88-5.58%16.6516.7315.50
Aug 16, 202216.46-0.29-1.76%16.7516.7516.23
Aug 15, 202216.640.130.78%16.5116.6516.34
Aug 12, 202216.520.040.24%16.4816.6816.33
Aug 11, 202216.53-0.46-2.78%16.9916.9916.31
Aug 10, 202216.981.327.77%15.6617.7415.23
Aug 09, 202215.52-0.01-0.06%15.5315.7615.40
Aug 08, 202215.550.231.48%15.3215.8214.75
Aug 05, 202215.310.301.96%15.0115.3615.01
Aug 04, 202214.92-0.65-4.36%15.5715.5714.42
Aug 03, 202215.210.775.06%14.4415.3214.34
Aug 02, 202214.400.050.35%14.3514.4614.04
Aug 01, 202214.44-0.01-0.07%14.4514.6114.21
Jul 29, 202214.630.412.80%14.2214.6313.96
Jul 28, 202213.98-0.53-3.79%14.5114.5313.88
Jul 27, 202214.19-0.14-0.99%14.3314.4414.00
Jul 26, 202214.020.241.71%13.7814.1513.78
Jul 25, 202213.79-0.30-2.18%14.0914.1013.67
Jul 22, 202214.04-0.09-0.64%14.1314.1313.79
Jul 21, 202214.06-0.31-2.20%14.3714.6514.01
Jul 20, 202214.470.644.42%13.8314.5813.74
Jul 19, 202213.770.000.00%13.7713.8313.48
Jul 18, 202213.66-0.07-0.51%13.7313.8413.47
Jul 15, 202213.620.110.81%13.5113.8113.31
Jul 14, 202213.34-0.70-5.25%14.0414.2013.08
Jul 13, 202213.67-0.35-2.56%14.0214.0713.51
Jul 12, 202214.100.130.92%13.9714.2213.74
Jul 11, 202213.95-0.71-5.09%14.6614.7213.95
Jul 08, 202214.80-0.02-0.14%14.8214.8814.56
Jul 07, 202214.410.110.76%14.3014.5914.24
Jul 06, 202214.040.100.71%13.9414.5113.68
Jul 05, 202213.43-0.72-5.36%14.1514.2213.43
Jul 04, 202213.93-0.52-3.73%14.4514.4513.92
Jul 01, 202214.360.322.23%14.0414.6913.91
Jun 30, 202214.16-0.39-2.75%14.5514.5813.92
Jun 29, 202214.15-0.57-4.03%14.7214.8813.85
Jun 28, 202214.800.513.45%14.2914.8014.12
Jun 27, 202214.35-0.25-1.74%14.6014.8514.16
Jun 24, 202214.610.453.08%14.1614.6113.95
Jun 23, 202214.23-0.33-2.32%14.5614.6114.06
Jun 22, 202214.63-0.03-0.21%14.6614.7113.93
Jun 21, 202214.680.332.25%14.3514.8314.31
Jun 20, 202214.330.352.44%13.9814.3313.86
Jun 17, 202214.110.100.71%14.0114.3613.80
Jun 16, 202214.00-0.31-2.21%14.3114.3113.85
Jun 15, 202214.280.926.44%13.3614.3213.36
Jun 14, 202213.36-0.55-4.12%13.9113.9313.20
Jun 13, 202213.65-0.60-4.40%14.2514.2513.15
Jun 10, 202214.42-0.68-4.72%15.1015.1014.41
Jun 09, 202215.20-0.51-3.36%15.7115.7115.12
Jun 08, 202215.66-0.34-2.17%16.0016.0515.52
Jun 07, 202215.94-0.15-0.94%16.0916.0915.54
Jun 06, 202216.11-0.05-0.31%16.1616.2516.01
Jun 03, 202215.86-0.36-2.27%16.2216.2215.81
Jun 02, 202216.130.110.68%16.0216.2715.97
Jun 01, 202215.98-0.22-1.38%16.2016.2315.82
May 31, 202215.97-0.36-2.25%16.3316.3315.90
May 30, 202216.300.171.04%16.1316.4216.04
May 27, 202215.92-0.22-1.38%16.1416.2315.88
May 26, 202216.010.332.06%15.6816.1515.55
May 25, 202215.78-0.57-3.61%16.3516.3815.58
May 24, 202216.23-0.34-2.09%16.5716.7916.11
May 23, 202216.64-0.22-1.32%16.8617.0216.50
May 20, 202216.93-0.28-1.65%17.2117.3716.80
May 19, 202217.000.653.82%16.3517.0216.11
May 18, 202216.62-0.11-0.66%16.7317.3116.57
May 17, 202216.880.261.54%16.6217.0816.61
May 16, 202216.48-0.06-0.36%16.5416.6216.42
May 13, 202216.540.181.09%16.3616.6416.28
May 12, 202216.321.126.86%15.2016.4115.10
May 11, 202215.68-0.03-0.19%15.7115.7415.31
May 10, 202215.56-0.05-0.32%15.6115.9815.36
May 09, 202215.25-0.06-0.39%15.3115.8215.17
May 06, 202215.93-0.38-2.39%16.3116.3215.67
May 05, 202216.26-0.29-1.78%16.5516.5616.14
May 04, 202216.28-0.06-0.37%16.3416.4216.11
May 03, 202216.35-0.16-0.98%16.5116.7316.22
May 02, 202216.430.311.89%16.1216.5216.11
Apr 29, 202216.290.181.10%16.1116.5115.90
Apr 28, 202216.01-0.38-2.37%16.3916.3915.75
Apr 27, 202216.410.050.30%16.3616.4316.11
Apr 26, 202216.30-0.64-3.93%16.9416.9716.15
Apr 25, 202216.600.040.24%16.5616.8016.16
Apr 22, 202216.31-0.21-1.29%16.5216.7516.13
Apr 21, 202216.51-0.05-0.30%16.5616.9016.32
Apr 20, 202216.44-0.08-0.49%16.5217.2516.41
Apr 19, 202216.35-0.04-0.24%16.3916.6116.12
Apr 14, 202216.150.181.11%15.9716.2015.69
Apr 13, 202215.77-0.60-3.80%16.3716.4915.71
Apr 12, 202216.33-0.55-3.37%16.8816.8816.26
Apr 11, 202216.30-0.66-4.05%16.9617.1116.12
Apr 08, 202217.17-0.88-5.13%18.0518.2216.92
Apr 07, 202217.94-0.03-0.17%17.9718.3517.84
Apr 06, 202218.030.231.28%17.8018.4017.64
Apr 05, 202217.78-0.15-0.84%17.9318.3117.39
Apr 04, 202217.840.140.78%17.7018.2017.57
Apr 01, 202217.560.140.80%17.4217.8817.20
Mar 31, 202217.470.382.18%17.0917.7317.00
Mar 30, 202217.400.341.95%17.0617.5116.60
Mar 29, 202217.190.482.79%16.7117.6216.55
Mar 28, 202216.61-0.87-5.24%17.4817.7016.34
Mar 25, 202217.190.261.51%16.9317.6916.80
Mar 24, 202217.320.663.81%16.6617.4616.32
Mar 23, 202216.77-0.60-3.58%17.3717.9516.50
Mar 22, 202217.391.106.33%16.2917.5815.93
Mar 21, 202216.240.231.42%16.0117.2315.50
Mar 18, 202214.960.412.74%14.5515.0514.06
Mar 17, 202214.370.010.07%14.3614.8014.01
Mar 16, 202214.14-0.43-3.04%14.5714.6113.56
Mar 15, 202213.79-0.81-5.87%14.6015.2013.44
Mar 14, 202212.920.010.08%12.9113.2212.41
Mar 11, 202212.540.120.96%12.4212.8612.14
Mar 10, 202212.42-0.27-2.17%12.6912.8912.10
Mar 09, 202212.51-0.01-0.08%12.5212.7911.68
Mar 08, 202211.910.342.85%11.5712.4411.52
Mar 07, 202211.920.211.76%11.7112.4611.60
Mar 04, 202212.52-0.58-4.63%13.1013.3912.24
Mar 03, 202213.39-0.78-5.83%14.1714.3813.21
Mar 02, 202214.070.402.84%13.6714.6813.50
Mar 01, 202213.99-0.68-4.86%14.6714.7113.73
Feb 28, 202214.450.261.80%14.1914.6614.07
Feb 25, 202214.390.211.46%14.1814.7414.03
Feb 24, 202214.340.634.39%13.7114.6413.34
Feb 23, 202214.81-0.32-2.16%15.1315.5014.49
Feb 22, 202214.980.644.27%14.3415.2714.08
Feb 21, 202215.10-0.61-4.04%15.7115.7114.79
Feb 18, 202215.45-0.09-0.58%15.5415.7915.20
Feb 17, 202215.55-0.47-3.02%16.0216.2815.30
Feb 16, 202216.240.040.25%16.2016.7215.70
Feb 15, 202216.380.181.10%16.2016.6915.93
Feb 14, 202216.340.171.04%16.1716.5715.87
Feb 11, 202216.730.321.91%16.4117.0516.13
Feb 10, 202216.660.201.20%16.4616.7216.11
Feb 09, 202216.710.331.97%16.3816.7516.05
Feb 08, 202216.19-0.01-0.06%16.2016.4915.56
Feb 07, 202216.49-0.61-3.70%17.1017.2316.15
Feb 04, 202217.05-0.05-0.29%17.1017.4116.70
Feb 03, 202217.10-0.40-2.34%17.5017.5316.38
Feb 02, 202217.470.593.38%16.8817.9116.84
Feb 01, 202216.87-0.03-0.18%16.9017.2716.52
Jan 31, 202216.62-0.22-1.32%16.8417.0216.01
Jan 28, 202216.72-0.16-0.96%16.8816.9415.98
Jan 27, 202217.020.281.65%16.7417.1116.47
Jan 26, 202217.230.231.33%17.0017.3516.53
Jan 25, 202216.911.408.28%15.5117.0415.10
Jan 24, 202215.48-0.01-0.06%15.4916.0615.21
Jan 21, 202215.850.140.88%15.7116.1415.44
Jan 20, 202216.180.633.89%15.5516.1815.31
Jan 19, 202215.490.352.26%15.1415.7414.91
Jan 18, 202215.160.533.50%14.6315.5614.49
Jan 17, 202214.650.151.02%14.5014.7614.11
Jan 14, 202214.03-0.41-2.92%14.4414.5113.69
Jan 13, 202214.47-0.27-1.87%14.7415.0014.20
Jan 12, 202214.63-0.38-2.60%15.0115.1814.42
Jan 11, 202214.970.130.87%14.8415.0814.57
Jan 10, 202214.61-0.39-2.67%15.0015.0914.23
Jan 07, 202214.91-0.30-2.01%15.2115.3714.60
Jan 06, 202215.130.513.37%14.6215.2114.58
Jan 05, 202215.09-0.37-2.45%15.4615.6014.71
Jan 04, 202215.50-0.63-4.06%16.1316.1315.19
Jan 03, 202216.110.845.21%15.2716.1615.00
Dec 30, 202115.120.060.40%15.0615.4014.78
Dec 29, 202115.14-0.50-3.30%15.6415.6414.79
Dec 28, 202115.69-1.02-6.50%16.7117.2215.32
Dec 27, 202116.370.533.24%15.8416.6315.50
Dec 23, 202115.610.201.28%15.4115.8515.07
Dec 22, 202115.330.946.13%14.3915.3814.19
Dec 21, 202114.00-0.47-3.36%14.4714.6013.94
Dec 20, 202114.22-0.64-4.50%14.8614.8613.92
Dec 17, 202114.610.704.79%13.9115.2613.54
Dec 16, 202113.59-5.58-41.06%19.1719.7612.70
Dec 15, 202119.200.090.47%19.1119.4118.81
Dec 14, 202118.99-0.14-0.74%19.1319.4618.74
Dec 13, 202119.17-0.36-1.88%19.5320.0018.94
Dec 10, 202119.63-0.58-2.95%20.2120.2419.51
Dec 09, 202120.14-0.15-0.74%20.2920.7219.80
Dec 08, 202120.07-0.29-1.44%20.3620.6119.83
Dec 07, 202120.480.241.17%20.2420.7720.14
Dec 06, 202120.06-0.44-2.19%20.5020.5719.70
Dec 03, 202120.49-0.13-0.63%20.6221.1020.07
Dec 02, 202120.43-0.03-0.15%20.4621.0120.24
Dec 01, 202120.180.713.52%19.4720.3119.41
Nov 30, 202119.57-0.21-1.07%19.7819.9518.85
Nov 29, 202119.540.000.00%19.5419.8219.13
Nov 26, 202119.10-0.24-1.26%19.3419.6718.81
Nov 25, 202119.710.211.07%19.5019.8119.26
Nov 24, 202119.39-0.52-2.68%19.9120.0218.85
Nov 23, 202120.110.060.30%20.0520.4019.78
Nov 22, 202120.37-0.37-1.82%20.7420.8120.04
Nov 19, 202120.710.221.06%20.4920.7720.18
Nov 18, 202120.49-0.35-1.71%20.8421.2720.33
Nov 17, 202120.800.442.12%20.3620.9120.13
Nov 16, 202120.43-0.06-0.29%20.4920.6919.99
Nov 15, 202120.410.251.22%20.1621.0120.11
Nov 12, 202120.310.110.54%20.2020.4019.86
Nov 11, 202120.23-0.07-0.35%20.3020.4319.78
Nov 10, 202120.22-0.08-0.40%20.3020.6320.00
Nov 09, 202120.51-0.11-0.54%20.6220.8420.14
Nov 08, 202120.530.261.27%20.2721.1420.24
Nov 05, 202120.530.020.10%20.5121.8420.20
Nov 04, 202120.470.532.59%19.9421.0519.91
Nov 03, 202121.20-0.22-1.04%21.4221.4719.70
Nov 02, 202121.530.060.28%21.4721.6420.56
Nov 01, 202121.15-0.86-4.07%22.0122.1920.70
Oct 29, 202121.61-1.01-4.67%22.6223.1021.15