Data Series

PeriodPeriod AverageEnd of Period
May-2018410.41410.41
Apr-2018410.42410.41
Mar-2018410.43410.44
Feb-2018410.42410.44
Jan-2018410.42410.43
Dec-2017410.44410.39
Nov-2017410.43410.43
Oct-2017410.43410.43
Sep-2017410.43410.42
Aug-2017410.43410.42
Jul-2017410.43410.43
Jun-2017410.43410.44
May-2017410.43410.42
Apr-2017410.43410.43
Mar-2017410.44410.44
Feb-2017410.43410.44
Jan-2017410.43410.42
Dec-2016410.43410.42
Nov-2016410.42410.42
Oct-2016410.43410.42
Sep-2016410.43410.42
Aug-2016410.44410.42
Jul-2016410.43410.45
Jun-2016410.43410.44
May-2016410.43410.43
Apr-2016410.42410.43
Mar-2016410.43410.43
Feb-2016410.43410.48
Jan-2016410.43410.42
Dec-2015410.43410.42
Nov-2015410.43410.43
Oct-2015410.42410.43
Sep-2015410.44410.44
Aug-2015410.42410.42
Jul-2015410.42410.42
Jun-2015410.42410.44
May-2015410.42410.42
Apr-2015410.42410.42
Mar-2015410.43410.44
Feb-2015410.42410.43
Jan-2015410.42410.43
Dec-2014410.42410.42
Nov-2014410.42410.42
Oct-2014410.43410.43
Sep-2014410.43410.43
Aug-2014412.25410.42
Jul-2014410.43410.42
Jun-2014410.43410.45
May-2014410.42410.43
Apr-2014410.42410.42
Mar-2014410.43410.42
Feb-2014410.42410.43
Jan-2014410.43410.43
Dec-2013410.43410.46
Nov-2013410.43410.43
Oct-2013410.43410.43
Sep-2013410.43410.43
Aug-2013410.43410.42
Jul-2013410.43410.43
Jun-2013410.43410.44
May-2013410.43410.43
Apr-2013410.44410.43
Mar-2013410.43410.43
Feb-2013410.42410.43
Jan-2013410.43410.43
Dec-2012410.43410.42
Nov-2012410.43410.43
Oct-2012410.43410.44
Sep-2012410.43410.42
Aug-2012410.43410.42
Jul-2012410.43410.42
Jun-2012410.43410.43
May-2012410.43410.42
Apr-2012410.43410.43
Mar-2012410.43410.43
Feb-2012410.43410.43
Jan-2012410.43410.43
Dec-2011410.43410.44
Nov-2011410.44410.43
Oct-2011410.43410.43
Sep-2011410.44410.43
Aug-2011410.44410.43
Jul-2011410.44410.44
Jun-2011410.43410.43
May-2011410.43410.43
Apr-2011410.44410.42
Mar-2011410.44410.46
Feb-2011410.44410.44
Jan-2011410.43410.43
Dec-2010410.43410.43
Nov-2010410.45410.43
Oct-2010410.44410.45
Sep-2010410.44410.43
Aug-2010410.43410.46
Jul-2010410.43410.43
Jun-2010410.43410.43
May-2010410.43410.44
Apr-2010410.43410.42
Mar-2010410.45410.44
Feb-2010410.42410.39
Jan-2010410.43410.43
Dec-2009410.43410.42
Nov-2009410.42410.41
Oct-2009410.43410.44
Sep-2009410.43410.42
Aug-2009410.43410.43
Jul-2009410.43410.42
Jun-2009410.5410.47
May-2009410.45410.46
Apr-2009410.42410.41
Mar-2009410.43410.43
Feb-2009410.42410.43
Jan-2009410.41410.42
Dec-2008410.42410.37
Nov-2008410.41410.43
Oct-2008410.4410.38
Sep-2008410.41410.41
Aug-2008410.42410.41
Jul-2008410.43410.43
Jun-2008410.43410.41
May-2008410.44410.44
Apr-2008410.45410.44
Mar-2008410.51410.48
Feb-2008410.5410.47
Jan-2008410.46410.6
Dec-2007410.49410.3
Nov-2007410.74411.37
Oct-2007410.51410.54
Sep-2007410.5410.51
Aug-2007410.45410.42
Jul-2007410.45410.44
Jun-2007410.45410.43
May-2007410.48410.54
Apr-2007410.5410.44
Mar-2007410.54410.48
Feb-2007410.49410.54
Jan-2007410.44410.44
Dec-2006410.45410.45
Nov-2006410.42410.42
Oct-2006410.44410.43
Sep-2006410.44410.44
Aug-2006410.43410.43
Jul-2006410.43410.43
Jun-2006410.43410.44
May-2006410.47410.43
Apr-2006410.43410.41
Mar-2006410.44410.45
Feb-2006410.43410.43
Jan-2006410.43410.43
Dec-2005410.43410.43
Nov-2005410.43410.43
Oct-2005410.46410.45
Sep-2005410.45410.54
Aug-2005410.44410.44
Jul-2005410.44410.43
Jun-2005410.44410.46
May-2005410.43410.44
Apr-2005410.44410.43
Mar-2005410.44410.43
Feb-2005410.44410.44
Jan-2005410.47410.48
Dec-2004410.45410.45
Nov-2004410.45410.47
Oct-2004410.43410.43
Sep-2004410.43410.43
Aug-2004410.43410.43
Jul-2004410.43410.43
Jun-2004410.42410.42
May-2004410.43410.42
Apr-2004410.43410.43
Mar-2004410.43410.41
Feb-2004410.42410.42
Jan-2004410.43410.42
Dec-2003410.44410.45
Nov-2003410.43410.43
Oct-2003410.43410.45
Sep-2003410.44410.42
Aug-2003410.43410.44
Jul-2003410.43410.44
Jun-2003410.43410.42
May-2003410.44410.45
Apr-2003410.43410.43
Mar-2003410.43410.42
Feb-2003410.43410.44
Jan-2003410.43410.43
Dec-2002410.44410.44
Nov-2002410.43410.42
Oct-2002410.43410.43
Sep-2002410.44410.44
Aug-2002410.44410.45
Jul-2002410.44410.45
Jun-2002410.43410.44
May-2002410.43410.43
Apr-2002410.43410.42
Mar-2002410.43410.43
Feb-2002410.43410.43
Jan-2002410.43410.42
Dec-2001410.44410.43
Nov-2001410.43410.43
Oct-2001410.43410.43
Sep-2001410.44410.44
Aug-2001410.44410.44
Jul-2001410.44410.44
Jun-2001410.44410.44
May-2001410.42410.44
Apr-2001410.41409.93
Mar-2001410.43410.43
Feb-2001410.43410.43
Jan-2001410.44410.45
Dec-2000410.45410.45
Nov-2000410.44410.44
Oct-2000410.44410.43
Sep-2000410.44410.44
Aug-2000410.44410.43
Jul-2000410.46410.71
Jun-2000410.44410.44
May-2000410.44410.43
Apr-2000410.43410.43
Mar-2000410.44410.43
Feb-2000410.43410.45
Jan-2000410.43410.43
Dec-1999410.44410.46
Nov-1999410.43410.43
Oct-1999410.43410.44
Sep-1999410.47410.44
Aug-1999410.57410.57
Jul-1999410.57410.57
Jun-1999410.56410.57
May-1999410.57410.57
Apr-1999410.57410.56
Mar-1999410.56410.56
Feb-1999410.56410.55
Jan-1999410.57410.57
Dec-1998410.65410.57
Nov-1998410.7410.7
Oct-1998410.78410.7
Sep-1998411.32411.05
Aug-1998411.9411.66
Jul-1998412.49412.2
Jun-1998413.12412.81
May-1998413.65413.42
Apr-1998414.03413.9
Mar-1998414.48414.19
Feb-1998415.04414.79
Jan-1998415.5415.33
Dec-1997416415.77
Nov-1997416.55416.28
Oct-1997417.14416.84
Sep-1997417.75417.44
Aug-1997418.32418.06
Jul-1997418.91418.61
Jun-1997419.47419.21
May-1997420.01419.81
Apr-1997420.55420.26
Mar-1997421.14420.84
Feb-1997421.71421.5
Jan-1997422.26422.05
Dec-1996422.82422.6
Nov-1996423.36423.1
Oct-1996424423.63
Sep-1996424.71424.31
Aug-1996425.84425.28
Jul-1996427.07426.55
Jun-1996428.25427.72
May-1996429.38428.78
Apr-1996430.56430.18
Mar-1996431.66431.1
Feb-1996432.79432.37
Jan-1996433.84433.31
Dec-1995435434.53
Nov-1995435.98435.35
Oct-1995437.71436.82
Sep-1995438.96438.49
Aug-1995439.77439.33
Jul-1995440.67440.1
Jun-1995441.74441.22
May-1995443.06442.28
Apr-1995444.56444.19
Mar-1995445.56445.02
Feb-1995446.73446.24
Jan-1995447.78447.34
Dec-1994449.04448.43
Nov-1994451.57450.92
Oct-1994452.84452.22
Sep-1994454.22453.58
Aug-1994455.68454.94
Jul-1994456.92456.46
Jun-1994457.91457.4
May-1994459.33458.48
Apr-1994460.77460.25
Mar-1994462.09461.36
Feb-1994463.72462.99
Jan-1994465.14464.53
Dec-1993466.44465.83
Nov-1993467.59467.04
Oct-1993468.53468.07
Sep-1993469.56469.26
Aug-1993470.33469.82
Jul-1993471.31471.13
Jun-1993472471.73
May-1993472.61472.08
Apr-1993474.54474.26
Mar-1993476.3474.53
Feb-1993484.13474.59
Jan-1993497.59496.87
Dec-1992504.03500.41
Nov-1992520.52510.49
Oct-1992612.08535
Sep-1992688.25658.92
Aug-1992648.6650.71
Jul-1992505.25589.45
Jun-1992471.31464.21
May-1992441.51457.64
Apr-1992392.99435.85
Mar-1992319.94348.5
Feb-1992253.07291.47
Jan-1992239.33239.32
Dec-1991239.48239.44
Nov-1991240.55239.58
Oct-1991241.53240.67
Sep-1991242.99242.85
Aug-1991243.17243.26
Jul-1991244.31243.13
Jun-1991247.52246.26
May-1991250.97249.12
Apr-1991256.5253.74
Mar-1991266.93255.38
Feb-1991294.45288.61
Jan-1991265.24302.21
Dec-1990215.34229.25
Nov-1990192.39190.58
Oct-1990237.53186.5
Sep-1990294.9254.04
Aug-1990210.14271.72
Jul-1990180.21182
Jun-1990180.79180.78
May-1990172.96171.39
Apr-1990159.42164.72
Mar-1990152.19155.46
Feb-1990150.35151.44
Jan-1990148.27149.06
Dec-1989129.11137.49
Nov-1989116.39121.7
Oct-1989123.5117.41
Sep-1989137.48127.42
Aug-1989146.08145.66
Jul-1989139.77140.21
Jun-1989138.07138.92
May-1989137.74138.31
Apr-1989141.3138.85
Mar-1989129.49134.77
Feb-1989139.45126.05
Jan-1989144.43141.57
Dec-1988139.72144.32
Nov-1988139.67136.15
Oct-1988124.97132.05
Sep-1988109.17112.99
Aug-198899.03117.08
Jul-198895.7595.44
Jun-198896.9196.11
May-1988100.6898.83
Apr-1988100.8599.51
Mar-198899.7598.97
Feb-1988103.75100.74
Jan-1988126.86117.09
Dec-1987129.97123.88
Nov-1987135.64141.57
Oct-1987105.92136.13
Sep-198774.2378.82
Aug-198762.3773.24
Jul-198745.7549.44
Jun-198736.6838.76
May-198732.5333.22
Apr-198731.7632.13
Mar-198728.9330.69
Feb-198727.7323.75
Jan-198723.1723.8
Dec-198618.9923.69
Nov-198616.1918.06
Oct-198612.8214
Sep-198611.8612.22
Aug-198611.7311.03
Jul-198611.712.39
Jun-19861111.43
May-19867.748.82
Apr-19866.457.02
Mar-19865.366.13
Feb-19865.935.3
Jan-19865.936.6
Dec-19854.934.93
Nov-19854.774.68
Oct-19854.94.57
Sep-19855.065.05
Aug-19854.745
Jul-19854.284.33
Jun-19854.274.25
May-19854.494.33
Apr-19854.764.69
Mar-19854.834.81
Feb-19853.864.36
Jan-19852.823.19
Dec-19842.362.42
Nov-19842.082.14
Oct-19842.142.07
Sep-19841.911.98
Aug-19841.711.83
Jul-19841.621.64
Jun-19841.641.64
May-19841.581.61
Apr-19841.541.56
Mar-19841.511.47
Feb-19841.651.59
Jan-19841.551.59
Dec-19831.481.5
Nov-19831.431.44
Oct-19831.391.39
Sep-19831.331.32
Aug-19831.281.31
Jul-19831.191.25
Jun-19831.161.16
May-19831.141.16
Apr-19831.131.14
Mar-19831.141.13
Feb-19831.091.1
Jan-19831.051.08
Dec-19821.071.04
Nov-19821.181.1
Oct-19821.171.16
Sep-19821.281.14
Aug-19821.391.28
Jul-19821.411.4
Jun-19821.41.4
May-19821.351.36
Apr-19821.351.35
Mar-19821.321.35
Feb-19821.321.33
Jan-19821.281.3
Dec-19811.261.26
Nov-19811.261.25
Oct-19811.261.25
Sep-19811.261.26
Aug-19811.271.27
Jul-19811.21.22
Jun-19811.171.17
May-19811.151.15
Apr-19811.11.11
Mar-19811.091.08
Feb-19811.071.09
Jan-19811.021.06
Dec-19801.010.99
Nov-19800.970.99
Oct-19800.940.95
Sep-19800.930.93
Aug-19800.930.93
Jul-19800.920.93
Jun-19800.920.92
May-19800.920.92
Apr-19800.920.92
Mar-19800.910.91
Feb-19800.880.89
Jan-19800.870.88
Dec-19790.890.86
Nov-19790.90.91
Oct-19790.870.88
Sep-19790.860.86
Aug-19790.860.86
Jul-19790.850.86
Jun-19790.850.85
May-19790.850.86
Apr-19790.830.84
Mar-19790.820.83
Feb-19790.820.82
Jan-19790.80.82
Dec-19780.790.78
Nov-19780.780.79
Oct-19780.770.76
Sep-19780.760.77
Aug-19780.760.76
Jul-19780.750.76
Jun-19780.750.75
May-19780.750.75
Apr-19780.760.76
Mar-19780.760.75
Feb-19780.760.76
Jan-19780.770.77
Dec-19770.780.77
Nov-19770.790.79
Oct-19770.790.79
Sep-19770.80.8
Aug-19770.80.8
Jul-19770.80.81
Jun-19770.790.79
May-19770.780.79
Apr-19770.780.78
Mar-19770.780.78
Feb-19770.780.78
Jan-19770.760.78
Dec-19760.730.74
Nov-19760.720.7
Oct-19760.80.75
Sep-19760.840.84
Aug-19760.830.83
Jul-19760.80.81
Jun-19760.760.78
May-19760.70.73
Apr-19760.660.67
Mar-19760.640.66
Feb-19760.620.62
Jan-19760.610.62
Dec-19750.610.61
Nov-19750.60.61
Oct-19750.590.6
Sep-19750.580.59
Aug-19750.570.57
Jul-19750.570.58
Jun-19750.560.56
May-19750.560.56
Apr-19750.560.56
Mar-19750.570.57
Feb-19750.590.56
Jan-19750.590.58
Dec-19740.590.58
Nov-19740.590.58
Oct-19740.560.58
Sep-19740.570.57
Aug-19740.580.57
Jul-19740.570.58
Jun-19740.580.58
May-19740.590.59
Apr-19740.580.59
Mar-19740.60.59
Feb-19740.610.61
Jan-19740.630.61
Dec-19730.640.63
Nov-19730.650.65
Oct-19730.640.64
Sep-19730.640.64
Aug-19730.640.64
Jul-19730.60.62
Jun-19730.630.61
May-19730.650.64
Apr-19730.680.66
Mar-19730.680.68
Feb-19730.70.7
Jan-19730.690.69
Dec-19720.690.69
Nov-19720.690.69
Oct-19720.690.69
Sep-19720.680.69
Aug-19720.680.68
Jul-19720.680.68
Jun-19720.690.69
May-19720.70.7
Apr-19720.70.7
Mar-19720.710.7
Feb-19720.720.72
Jan-19720.720.72
Dec-19710.680.72
Nov-19710.670.67
Oct-19710.670.67
Sep-19710.670.67
Aug-19710.680.68
Jul-19710.690.69
Jun-19710.690.69
May-19710.690.69
Apr-19710.690.69
Mar-19710.680.69
Feb-19710.680.68
Jan-19710.680.68
Dec-19700.680.68
Nov-19700.680.68
Oct-19700.680.68
Sep-19700.690.69
Aug-19700.690.69
Jul-19700.690.69
Jun-19700.690.69
May-19700.690.69
Apr-19700.690.69
Mar-19700.690.69
Feb-19700.690.69
Jan-19700.690.69
Dec-19690.680.68
Nov-19690.680.68
Oct-19690.680.68
Sep-19690.690.69
Aug-19690.680.68
Jul-19690.680.68
Jun-19690.690.68
May-19690.70.7
Apr-19690.690.7
Mar-19690.680.69
Feb-19690.680.68
Jan-19690.670.68
Dec-19680.670.67
Nov-19680.670.67
Oct-19680.670.67
Sep-19680.670.67
Aug-19680.670.67
Jul-19680.660.67
Jun-19680.660.66
May-19680.660.66
Apr-19680.660.66
Mar-19680.660.66
Feb-19680.660.66
Jan-19680.660.66
Dec-19670.660.66
Nov-19670.670.67
Oct-19670.680.68
Sep-19670.680.68
Aug-19670.680.68
Jul-19670.680.68
Jun-19670.680.68
May-19670.670.68
Apr-19670.670.67
Mar-19670.670.67
Feb-19670.670.67
Jan-19670.670.67
Dec-19660.670.67
Nov-19660.670.67
Oct-19660.660.67
Sep-19660.670.67
Aug-19660.660.67
Jul-19660.660.66
Jun-19660.650.65
May-19660.650.66
Apr-19660.650.65
Mar-19660.650.65
Feb-19660.650.65
Jan-19660.650.65
Dec-196500
Nov-196500
Oct-196500
Sep-196500
Aug-196500
Jul-196500
Jun-196500
May-196500
Apr-196500
Mar-196500
Feb-196500
Jan-196500
Dec-196400
Nov-196400
Oct-196400
Sep-196400
Aug-196400
Jul-196400
Jun-196400
May-196400
Apr-196400
Mar-196400
Feb-196400
Jan-196400