Data Series

PeriodPeriod AverageEnd of Period
Jan-201885.385.17
Dec-201784.684.79
Nov-201785.484.92
Oct-201785.485.37
Sep-201785.485.46
Aug-201784.985.46
Jul-201784.284.21
Jun-201783.283.2
May-201783.383.31
Apr-201783.283.52
Mar-201785.182.65
Feb-20178995.71
Jan-201780.779.86
Dec-201681.381.49
Nov-201698.784.22
Oct-2016169.8169.76
Sep-2016169.9169.76
Aug-2016170.6171.7
Jul-2016170.2169.76
Jun-2016169.9169.76
May-2016170.1169.76
Apr-2016170169.76
Mar-2016179.3169.76
Feb-2016192.5192.53
Jan-2016192.5192.53
Dec-2015192.5192.53
Nov-2015190.9192.53
Oct-2015190.1187.73
Sep-2015192.6192.59
Aug-2015192.5192.53
Jul-2015193.1192.59
Jun-2015197.6197.57
May-2015197.6197.57
Apr-2015197.6197.57
Mar-2015197.6197.64
Feb-2015197.6197.57
Jan-2015207198.61
Dec-2014210.8210.84
Nov-2014210.8210.84
Oct-2014210.8210.84
Sep-2014210.8210.84
Aug-2014210.8210.84
Jul-2014210.8210.84
Jun-2014210.9210.84
May-2014212.6210.83
Apr-2014215.9215.12
Mar-2014216.6216.36
Feb-2014216.6216.57
Jan-2014216.6216.54
Dec-2013218.5217.08
Nov-2013218.9219
Oct-2013218.8218.85
Sep-2013218.4218.74
Aug-2013215.7215.8
Jul-2013215.1215.36
Jun-2013215.4214.76
May-2013216.2215.86
Apr-2013219217.4
Mar-2013222.5221.59
Feb-2013224.2223.65
Jan-2013229.5224.49
Dec-2012244.9243.58
Nov-2012246.9246.69
Oct-2012247.1246.63
Sep-2012247.4247.26
Aug-2012247.9247.07
Jul-2012248.6248.29
Jun-2012249.3248.84
May-2012249.6249.5
Apr-2012249.5249.34
Mar-2012249.8249.59
Feb-2012249.8249.92
Jan-2012249.7249.94
Dec-2011250.4249.97
Nov-2011251.9251.05
Oct-2011252.6252.49
Sep-2011252.8252.71
Aug-2011252.9253.25
Jul-2011253253.02
Jun-2011253.4252.54
May-2011253.5253.45
Apr-2011253253.49
Mar-2011254.3252.53
Feb-2011256.3255.9
Jan-2011259.2257.36
Dec-2010260259.71
Nov-2010261.8260.36
Oct-2010263.2261.05
Sep-2010264.3264.8
Aug-2010264.8264.2
Jul-2010264.5264.43
Jun-2010265.5264.66
May-2010268.3266.29
Apr-2010272.6271.18
Mar-2010274.7273.84
Feb-2010274.9274.59
Jan-2010276.8275.81
Dec-2009274.9274.74
Nov-2009276275.24
Oct-2009275.4275.44
Sep-2009273.4274.02
Aug-2009272.2272.78
Jul-2009270.4271.72
Jun-2009269.1269.49
May-2009268.1268.14
Apr-2009267.6267.6
Mar-2009267.2267.29
Feb-2009270.3269.2
Jan-2009272.3270.79
Dec-2008273272.97
Nov-2008272.4273.1
Oct-2008271.4270.16
Sep-2008277.3275.68
Aug-2008282.5280.96
Jul-2008283.4284.14
Jun-2008281.8282.57
May-2008281.4281.91
Apr-2008277.8280.86
Mar-2008275.6276.16
Feb-2008273.6274.28
Jan-2008273.5271.57
Dec-2007272.5272.73
Nov-2007273.5272.42
Oct-2007272273.22
Sep-2007267.8269.8
Aug-2007266.3266.72
Jul-2007265.4266.81
Jun-2007264.6264.82
May-2007264.9264.66
Apr-2007264.9265.05
Mar-2007264.5264.65
Feb-2007264.5264.24
Jan-2007264.2264.63
Dec-2006263.7264.68
Nov-2006263.3263.6
Oct-2006262.8262.63
Sep-2006262.6262.73
Aug-2006262.3262.29
Jul-2006262.2262.08
Jun-2006261.7261.95
May-2006261.5261.27
Apr-2006262.3261.89
Mar-2006262.6262.55
Feb-2006262.8262.97
Jan-2006262.8262.91
Dec-2005262.3262.69
Nov-2005261.6261.77
Oct-2005261.7261.77
Sep-2005261.5261.72
Aug-2005261.1260.89
Jul-2005260.8261.06
Jun-2005260.1260.48
May-2005260260.09
Apr-2005260259.8
Mar-2005259.8260.21
Feb-2005259.3259.9
Jan-2005255.4258.13
Dec-2004242.7247.03
Nov-2004241.8241.78
Oct-2004241.5241.97
Sep-2004242.1241.25
Aug-2004242.3243.54
Jul-2004242.8242.7
Jun-2004242.8242.07
May-2004243.1242.56
Apr-2004243.1243.24
Mar-2004243.6242.95
Feb-2004243.7243.56
Jan-2004244.4244.53
Dec-2003244.6245.52
Nov-2003245.1245.32
Oct-2003245.4246.32
Sep-2003245245.22
Aug-2003245.2244.72
Jul-2003246.1244.13
Jun-2003250.9249.12
May-2003252.5252.3
Apr-2003257.6252.72
Mar-2003264262.17
Feb-2003273.4270.4
Jan-2003319.8282.3
Dec-2002325.5325.4
Nov-2002325.5325.42
Oct-2002325.8325.24
Sep-2002325.6325.59
Aug-2002325.8327.72
Jul-2002325.1325.24
Jun-2002325.2323.5
May-2002325.7327.72
Apr-2002326.1326.83
Mar-2002324325.59
Feb-2002325.9324.88
Jan-2002327.2325.24
Dec-2001340.7329.15
Nov-2001353.3353.58
Oct-2001353.6353.21
Sep-2001354353.68
Aug-2001359.1353.68
Jul-2001382.5381.79
Jun-2001388.7386.74
May-2001388.5389.08
Apr-2001388.7391.56
Mar-2001389.1391.05
Feb-2001388.9388.9
Jan-2001392.9391.3
Dec-2000394.7386.04
Nov-2000398.5398.81
Oct-2000406.9398.67
Sep-2000426.7423.1
Aug-2000430.5428.88
Jul-2000433432.26
Jun-2000435.4434.16
May-2000438.2437.65
Apr-2000439.1439.47
Mar-2000439.5439.34
Feb-2000439.6439.76
Jan-2000440.2440.04
Dec-1999440.6441.27
Nov-1999440.6441.14
Oct-1999441.5441.46
Sep-1999441.4441.46
Aug-1999441.5442.29
Jul-1999441.3441.61
Jun-1999441.6441.65
May-1999441.7442.13
Apr-1999441.6438.37
Mar-1999442441.32
Feb-1999442441.09
Jan-1999441.9441.88
Dec-1998442442.89
Nov-1998442.8443.04
Oct-1998442.9439.8
Sep-1998443.8444.44
Aug-1998443.8445.36
Jul-1998444.5442.11
Jun-1998445.6446.59
May-1998445.6445.14
Apr-1998446.1445.49
Mar-1998447445.07
Feb-1998448.2447.6
Jan-1998448.5447.56
Dec-1997449.2449.65
Nov-1997450.2449.64
Oct-1997450.9449.9
Sep-1997451.7451.58
Aug-1997452.6451.88
Jul-1997453.4453.01
Jun-1997453.9453.63
May-1997454.5454.83
Apr-1997455455.14
Mar-1997455.7455.53
Feb-1997456.1456.23
Jan-1997456.4455.81
Dec-1996457456.43
Nov-1996457.7457.09
Oct-1996458.3457.58
Sep-1996459458.52
Aug-1996460.4459.57
Jul-1996461.2461.24
Jun-1996461.2462.67
May-1996462.7460.92
Apr-1996463.6461.96
Mar-1996466465.87
Feb-1996467.8467.29
Jan-1996468.9468.02
Dec-1995469.6468.93
Nov-1995471470.09
Oct-1995473471.91
Sep-1995474.2473.47
Aug-1995475.2474.98
Jul-1995475.6474.74
Jun-1995476.3475.46
May-1995476.8475.03
Apr-1995479.2477.63
Mar-1995481.2478.97
Feb-1995482.8482.75
Jan-1995483.7484.05
Dec-1994484.9483.66
Nov-1994488.4488.09
Oct-1994490.9489.97
Sep-1994492.6491.62
Aug-1994494.5493.58
Jul-1994495496.01
Jun-1994496.4495.59
May-1994498496.76
Apr-1994499.8499.36
Mar-1994501.6501.03
Feb-1994503.9502.36
Jan-1994505.9505.36
Dec-1993507.8506.96
Nov-1993510508.72
Oct-1993511.7510.54
Sep-1993514.8512.18
Aug-1993516.1516.62
Jul-1993516.3514.5
Jun-1993517516.67
May-1993518.2517.27
Apr-1993520.4520.32
Mar-1993522.8520.16
Feb-1993531.9521.56
Jan-1993547.1546
Dec-1992554.9551.12
Nov-1992575.5561.92
Oct-1992680.1591.69
Sep-1992781.2762.2
Aug-1992715.8718.15
Jul-1992557.5650.54
Jun-1992536.2512.21
May-1992510.3528.8
Apr-1992433.7480.84
Mar-1992356.2384.73
Feb-1992285.6336.48
Jan-1992273.8263.58
Dec-1991275.1276.68
Nov-1991277.2276.57
Oct-1991279.7278.71
Sep-1991271.2281.23
Aug-1991273.8281.08
Jul-1991274.3267.24
Jun-1991286.3284.88
May-1991317.3272.59
Apr-1991313.9310.56
Mar-1991327.5312.56
Feb-1991376.7369.71
Jan-1991352.8391.44
Dec-1990288.1306.92
Nov-1990257.3255.16
Oct-1990316.7249.69
Sep-1990395.9339
Aug-1990284.3366.71
Jul-1990245246.37
Jun-1990248.3246.53
May-1990239.4237.25
Apr-1990221.3228.02
Mar-1990212.4216.98
Feb-1990212.8214.23
Jan-1990211.3211.59
Dec-1989186.3198.57
Nov-1989165173.26
Oct-1989175.3166.09
Sep-1989196.6180.94
Aug-1989208.5208.48
Jul-1989197.6199.88
Jun-1989196.8196.14
May-1989203.8200.3
Apr-1989218.3214.53
Mar-1989198.9208.22
Feb-1989216.8195.36
Jan-1989226.7221.94
Dec-1988220.9227.19
Nov-1988221.8216.18
Oct-1988197.7209.69
Sep-1988172.6178.66
Aug-1988157.2185.11
Jul-1988152.8152.2
Jun-1988155.5153.28
May-1988452.1159.01
Apr-1988529.2522.14
Mar-1988523.4519.29
Feb-1988544.3528.57
Jan-1988665.5614.29
Dec-1987681.9650
Nov-1987711.7742.86
Oct-1987555.8714.29
Sep-1987389.5413.57
Aug-1987327.2384.29
Jul-1987240259.29
Jun-1987192.4203.39
May-1987170.7174.29
Apr-1987166.7168.57
Mar-1987151.4161.07
Feb-1987130.8124.64
Jan-198700
Dec-198699.6124.29
Nov-19868594.79
Oct-198667.373.46
Sep-198662.364.14
Aug-198661.557.86
Jul-198661.465
Jun-198657.760
May-198640.646.29
Apr-198634.236.86
Mar-198628.132.17
Feb-198631.127.79
Jan-198628.934.64
Dec-198525.925.86
Nov-19852524.57
Oct-198525.723.97
Sep-198526.526.5
Aug-198524.826.26
Jul-198522.522.71
Jun-198522.422.36
May-198523.522.74
Apr-198524.924.63
Mar-198525.425.21
Feb-198520.322.86
Jan-198514.516.74
Dec-198412.412.7
Nov-198410.911.24
Oct-198411.210.86
Sep-19841010.39
Aug-198499.57
Jul-19848.58.61
Jun-19848.68.61
May-19848.38.42
Apr-19848.18.2
Mar-19847.97.73
Feb-19848.78.36
Jan-19848.18.32
Dec-19837.77.84
Nov-19837.57.53
Oct-19837.37.31
Sep-198376.92
Aug-19836.76.89
Jul-19836.26.57
Jun-19836.16.06
May-198366.09
Apr-19835.95.96
Mar-198365.95
Feb-19835.75.77
Jan-19835.55.65
Dec-19825.65.44
Nov-19826.25.78
Oct-19826.16.07
Sep-19826.76
Aug-19827.36.71
Jul-19827.47.36
Jun-19827.37.34
May-19827.17.11
Apr-19827.17.06
Mar-19826.97.06
Feb-19826.96.99
Jan-19826.76.81
Dec-19816.66.61
Nov-19816.66.57
Oct-19816.66.57
Sep-19816.66.61
Aug-19816.76.69
Jul-19816.36.38
Jun-19816.26.14
May-198166.04
Apr-19815.75.82
Mar-19815.75.67
Feb-19815.65.71
Jan-19815.45.54
Dec-19805.35.21
Nov-19805.15.17
Oct-198055
Sep-19804.94.92
Aug-19804.94.9
Jul-19804.94.88
Jun-19804.94.87
May-19804.94.85
Apr-19804.94.87
Mar-19804.84.88
Feb-19804.74.76
Jan-19804.74.7
Dec-19794.84.65
Nov-19794.94.9
Oct-19794.74.77
Sep-19794.74.69
Aug-19794.64.65
Jul-19794.64.64
Jun-19794.74.64
May-19794.64.74
Apr-19794.54.58
Mar-19794.54.53
Feb-19794.54.51
Jan-19794.44.47
Dec-19787.77.68
Nov-19787.67.74
Oct-19787.67.45
Sep-19787.67.58
Aug-19787.57.55
Jul-19787.57.51
Jun-19787.47.39
May-19787.57.41
Apr-19787.57.49
Mar-19787.57.48
Feb-19787.67.52
Jan-19787.67.59
Dec-19777.87.67
Nov-19777.97.86
Oct-19777.97.88
Sep-197787.92
Aug-197787.97
Jul-197788.02
Jun-19777.87.86
May-19777.87.83
Apr-19777.87.78
Mar-19777.87.76
Feb-19777.87.75
Jan-19777.77.75
Dec-19767.47.49
Nov-19767.37.08
Oct-19768.17.62
Sep-19768.58.46
Aug-19768.48.46
Jul-197688.18
Jun-19767.77.92
May-19767.17.41
Apr-19766.76.77
Mar-19766.46.64
Feb-19766.26.23
Jan-19766.26.26
Dec-19756.26.21
Nov-19756.16.18
Oct-197566.03
Sep-19755.96.01
Aug-19755.85.75
Jul-19755.85.83
Jun-19755.75.68
May-19755.75.69
Apr-19755.75.71
Mar-19755.75.73
Feb-197565.69
Jan-197565.84
Dec-197465.88
Nov-197465.93
Oct-19745.75.85
Sep-19745.85.75
Aug-19745.85.8
Jul-19745.85.83
Jun-19745.95.85
May-19745.95.98
Apr-19745.96.01
Mar-19746.16.01
Feb-19746.26.11
Jan-19746.46.26
Dec-19735.86.41
Nov-19735.96.59
Oct-19735.86.49
Sep-19735.86.49
Aug-19735.86.47
Jul-19735.56.29
Jun-19735.76.16
May-19735.96.41
Apr-19736.16.7
Mar-19736.26.9
Feb-19736.67.03
Jan-19736.96.92
Dec-19726.96.92
Nov-19726.96.92
Oct-19726.96.95
Sep-19726.96.92
Aug-19726.96.9
Jul-19726.96.83
Jun-197276.95
May-197277.04
Apr-19727.17.08
Mar-19727.27.11
Feb-19727.27.24
Jan-19727.27.24
Dec-19717.27.27
Nov-19717.37.29
Oct-19717.37.31
Sep-19717.37.29
Aug-19717.47.41
Jul-19717.57.54
Jun-19717.57.54
May-19717.57.52
Apr-19717.57.52
Mar-19717.57.54
Feb-19717.57.5
Jan-19717.57.5
Dec-19707.57.47
Nov-19707.57.45
Oct-19707.57.45
Sep-19707.57.52
Aug-19707.57.52
Jul-19707.57.52
Jun-19707.57.52
May-19707.57.52
Apr-19707.57.52
Mar-19707.67.59
Feb-19707.67.57
Jan-19707.57.57
Dec-19697.57.47
Nov-19697.47.45
Oct-19697.57.45
Sep-19697.57.52
Aug-19697.57.5
Jul-19697.47.47
Jun-19697.57.45
May-19697.67.64
Apr-19697.57.61
Mar-19697.57.52
Feb-19697.47.5
Jan-19697.47.41
Dec-19687.37.31
Nov-19687.37.31
Oct-19687.37.31
Sep-19687.37.29
Aug-19687.37.31
Jul-19687.37.29
Jun-19687.27.27
May-19687.37.27
Apr-19687.27.24
Mar-19687.27.24
Feb-19687.27.22
Jan-19687.27.2
Dec-19677.27.2
Nov-19677.37.31
Oct-19677.47.41
Sep-19677.47.45
Aug-19677.47.43
Jul-19677.47.43
Jun-19677.47.43
May-19677.47.43
Apr-19677.47.36
Mar-19677.47.38
Feb-19677.37.34
Jan-19677.37.31
Dec-19667.37.29
Nov-19667.37.29
Oct-19667.37.31
Sep-19667.47.31
Aug-19667.27.31
Jul-19667.27.22
Jun-19667.27.15
May-19667.27.18
Apr-19667.17.15
Mar-19667.17.13
Feb-19667.17.13
Jan-19667.17.11
Dec-19657.17.06
Nov-19657.17.06
Oct-19657.17.08
Sep-19657.17.08
Aug-196577.06
Jul-196577.04
Jun-19657.17.04
May-19657.17.08
Apr-19657.17.11
Mar-19657.17.08
Feb-19657.17.06
Jan-19657.17.06
Dec-19647.17.08
Nov-196477.04
Oct-196477.04
Sep-19647.17.04
Aug-196477.08
Jul-196477.04
Jun-19647.17.06
May-19647.17.08
Apr-19647.17.08
Mar-19647.17.08
Feb-19647.27.15
Jan-19647.17.18