Data Series

PeriodPeriod AverageEnd of Period
May-2018401.97401.97
Apr-2018401.97401.97
Mar-2018401.98401.99
Feb-2018401.97401.96
Jan-2018401.97401.97
Dec-2017401.97401.99
Nov-2017401.97401.97
Oct-2017401.98401.98
Sep-2017401.98401.97
Aug-2017401.98401.97
Jul-2017401.97401.97
Jun-2017401.96401.95
May-2017401.96401.95
Apr-2017401.96401.97
Mar-2017401.97401.98
Feb-2017401.96401.97
Jan-2017401.94401.94
Dec-2016401.92401.91
Nov-2016401.94401.92
Oct-2016401.89401.97
Sep-2016401.86401.43
Aug-2016401.97401.97
Jul-2016486.53486.53
Jun-2016401.97401.96
May-2016401.96401.96
Apr-2016401.98401.98
Mar-2016401.97401.99
Feb-2016401.95401.95
Jan-2016401.75401.85
Dec-2015401.76401.58
Nov-2015401.88401.69
Oct-2015401.97401.95
Sep-2015401.94401.96
Aug-2015401.9401.84
Jul-2015401.97401.98
Jun-2015401.97401.95
May-2015401.98401.97
Apr-2015401.94401.99
Mar-2015401.93401.88
Feb-2015401.8401.96
Jan-2015401.37400.88
Dec-2014401.65401.68
Nov-2014401.78401.67
Oct-2014401.83401.82
Sep-2014401.93401.87
Aug-2014401.95401.95
Jul-2014401.96401.95
Jun-2014401.93401.95
May-2014401.94401.94
Apr-2014401.96401.95
Mar-2014401.96401.96
Feb-2014401.96401.96
Jan-2014401.96401.96
Dec-2013401.95401.94
Nov-2013401.96401.96
Oct-2013401.97401.97
Sep-2013401.95401.98
Aug-2013401.96401.94
Jul-2013401.97401.96
Jun-2013401.97401.97
May-2013401.97401.96
Apr-2013401.98401.99
Mar-2013401.98401.99
Feb-2013401.97401.97
Jan-2013401.97401.98
Dec-2012401.97401.94
Nov-2012401.98401.99
Oct-2012401.98401.97
Sep-2012401.98401.99
Aug-2012401.98401.98
Jul-2012401.98401.98
Jun-2012401.96401.97
May-2012401.97401.96
Apr-2012401.97401.97
Mar-2012401.96401.98
Feb-2012401.97401.98
Jan-2012401.98401.97
Dec-2011401.97401.98
Nov-2011401.96401.96
Oct-2011401.97401.96
Sep-2011401.95401.96
Aug-2011401.98401.95
Jul-2011401.98401.98
Jun-2011401.98401.98
May-2011401.98401.98
Apr-2011401.98401.97
Mar-2011401.97401.99
Feb-2011401.96401.94
Jan-2011401.98401.92
Dec-2010401.97401.99
Nov-2010401.98401.97
Oct-2010401.98401.98
Sep-2010401.97401.97
Aug-2010401.97401.98
Jul-2010401.96401.97
Jun-2010401.96401.95
May-2010401.97401.97
Apr-2010401.97401.97
Mar-2010401.98401.98
Feb-2010401.98402
Jan-2010401.97401.99
Dec-2009401.93401.97
Nov-2009401.98401.91
Oct-2009401.98401.98
Sep-2009401.98401.97
Aug-2009401.98401.98
Jul-2009401.97401.97
Jun-2009401.97401.97
May-2009401.98401.98
Apr-2009401.97401.96
Mar-2009401.96401.97
Feb-2009401.91401.94
Jan-2009401.9401.72
Dec-2008401.78401.67
Nov-2008401.79401.83
Oct-2008401.08401.63
Sep-2008401.76401.51
Aug-2008401.96401.97
Jul-2008402.01401.97
Jun-2008401.99402.01
May-2008401.95401.92
Apr-2008401.94401.95
Mar-2008402.07401.83
Feb-2008402.05402.81
Jan-2008401.98402.06
Dec-2007402.38402.05
Nov-2007404.31405.79
Oct-2007402.98402.75
Sep-2007402.29402.69
Aug-2007401.91401.92
Jul-2007401.93401.92
Jun-2007401.94401.92
May-2007401.95401.96
Apr-2007401.94401.92
Mar-2007402.03401.97
Feb-2007401.94401.97
Jan-2007401.92401.92
Dec-2006401.96401.97
Nov-2006401.96401.96
Oct-2006401.99401.96
Sep-2006401.96401.97
Aug-2006401.96401.94
Jul-2006401.96401.95
Jun-2006401.94401.91
May-2006402.02401.94
Apr-2006401.93401.95
Mar-2006401.96401.95
Feb-2006401.97401.97
Jan-2006401.95401.99
Dec-2005401.96401.97
Nov-2005401.96401.97
Oct-2005401.89401.96
Sep-2005401.92401.79
Aug-2005401.96401.94
Jul-2005402.01401.97
Jun-2005401.97401.98
May-2005401.98401.98
Apr-2005401.97401.97
Mar-2005401.97401.97
Feb-2005401.97401.98
Jan-2005401.98401.98
Dec-2004401.98401.97
Nov-2004401.97401.97
Oct-2004401.98401.98
Sep-2004401.98401.98
Aug-2004401.97401.98
Jul-2004401.97401.97
Jun-2004401.97401.97
May-2004401.97401.97
Apr-2004401.98401.98
Mar-2004401.99402
Feb-2004401.98401.98
Jan-2004401.97401.98
Dec-2003401.97401.97
Nov-2003401.97401.98
Oct-2003401.97401.97
Sep-2003401.97401.98
Aug-2003401.97401.95
Jul-2003401.97401.99
Jun-2003401.97401.98
May-2003401.98401.98
Apr-2003401.98401.98
Mar-2003401.98401.98
Feb-2003401.98401.96
Jan-2003401.98401.99
Dec-2002401.97401.97
Nov-2002401.97401.98
Oct-2002401.97401.96
Sep-2002401.96401.96
Aug-2002401.97401.98
Jul-2002401.97401.97
Jun-2002401.97401.96
May-2002401.97401.98
Apr-2002401.97401.97
Mar-2002401.97401.97
Feb-2002401.97401.96
Jan-2002401.97401.97
Dec-2001401.97401.97
Nov-2001401.97401.98
Oct-2001401.94401.96
Sep-2001401.94401.89
Aug-2001401.96401.96
Jul-2001401.95401.95
Jun-2001401.96401.95
May-2001401.96401.95
Apr-2001401.96401.96
Mar-2001401.95401.95
Feb-2001401.95401.96
Jan-2001401.93401.96
Dec-2000401.92401.95
Nov-2000401.9401.9
Oct-2000401.9401.89
Sep-2000401.91401.92
Aug-2000401.91401.9
Jul-2000401.92401.92
Jun-2000401.95401.95
May-2000401.95401.92
Apr-2000401.94401.92
Mar-2000401.96401.95
Feb-2000401.95401.95
Jan-2000401.96401.96
Dec-1999401.95401.97
Nov-1999401.95401.94
Oct-1999401.96401.96
Sep-1999402401.97
Aug-1999402.09402.09
Jul-1999402.08402.09
Jun-1999402.07402.07
May-1999402.07402.08
Apr-1999402.09402.08
Mar-1999402.1402.11
Feb-1999402.04401.99
Jan-1999402.08402.44
Dec-1998401.92402.02
Nov-1998402.21402.2
Oct-1998402.28402.18
Sep-1998402.77402.52
Aug-1998403.15402.4
Jul-1998403.93403.65
Jun-1998404.53404.24
May-1998405.09404.81
Apr-1998405.47405.37
Mar-1998405.88405.61
Feb-1998406.44406.21
Jan-1998406.87406.72
Dec-1997407.37407.15
Nov-1997407.91407.67
Oct-1997408.47408.1
Sep-1997409.1408.87
Aug-1997409.66409.4
Jul-1997410.21409.93
Jun-1997410.77410.53
May-1997411.3411.07
Apr-1997411.83411.55
Mar-1997412.42412.13
Feb-1997412.95412.71
Jan-1997413.5413.21
Dec-1996414.05413.8
Nov-1996414.6414.36
Oct-1996415.21414.88
Sep-1996415.92415.56
Aug-1996417416.48
Jul-1996418.24417.68
Jun-1996419.37418.88
May-1996420.52419.96
Apr-1996421.66421.29
Mar-1996421.66422.21
Feb-1996423.81423.41
Jan-1996424.86424.33
Dec-1995425.99425.54
Nov-1995426.94426.33
Oct-1995428.64427.8
Sep-1995429.88429.4
Aug-1995430.64430.16
Jul-1995431.52431
Jun-1995432.58432.08
May-1995433.87433.08
Apr-1995435.34435
Mar-1995436.32435.79
Feb-1995437.49437.03
Jan-1995438.47438.07
Dec-1994439.71439.05
Nov-1994442.17441.45
Oct-1994443.33442.78
Sep-1994444.82444.14
Aug-1994446.26445.55
Jul-1994447.47447.01
Jun-1994448.44447.95
May-1994449.84449.04
Apr-1994451.25450.76
Mar-1994452.55451.83
Feb-1994454.13453.42
Jan-1994455.59454.9
Dec-1993456.7456.05
Nov-1993457.91457.41
Oct-1993458.82458.33
Sep-1993459.84459.56
Aug-1993460.54460.1
Jul-1993461.33461.18
Jun-1993461.88461.51
May-1993462.62462.11
Apr-1993464.51464.23
Mar-1993466.2464.5
Feb-1993473.44464.5
Jan-1993487.31486.59
Dec-1992493.43490.11
Nov-1992509.8499.64
Oct-1992599.49524
Sep-1992674.07645.33
Aug-1992635.27637.33
Jul-1992494.87577.33
Jun-1992461.4454.64
May-1992432.3447.92
Apr-1992384.75426.59
Mar-1992313.31341.32
Feb-1992247.77285.27
Jan-1992234.39234.39
Dec-1991234.41234.36
Nov-1991234.93234.48
Oct-1991236.4235.55
Sep-1991237.95237.68
Aug-1991238.1238.09
Jul-1991239.25238.11
Jun-1991242.41241.17
May-1991245.8243.99
Apr-1991251.21248.53
Mar-1991261.41250.11
Feb-1991288.35282.63
Jan-1991259.12296.02
Dec-1990210.89224.5
Nov-1990188.44186.67
Oct-1990232.52182.67
Sep-1990288.69248.62
Aug-1990205.84266.07
Jul-1990176.47178.25
Jun-1990177.07177.05
May-1990169.39167.84
Apr-1990156.13161.32
Mar-1990149.05152.25
Feb-1990147.25148.31
Jan-1990145.21145.98
Dec-1989126.44134.65
Nov-1989113.96119.18
Oct-1989120.91114.93
Sep-1989134.64124.78
Aug-1989143.05142.65
Jul-1989136.89137.32
Jun-1989135.22136.05
May-1989134.89135.45
Apr-1989138.37135.95
Mar-1989126.82131.99
Feb-1989136.57123.46
Jan-1989141.45138.66
Dec-1988136.78141.28
Nov-1988136.74133.24
Oct-1988122.38129.32
Sep-1988106.93110.65
Aug-198896.98114.65
Jul-198893.7693.42
Jun-198894.9294.15
May-198898.5796.77
Apr-198899.6297.45
Mar-198897.6996.9
Feb-1988101.5998.65
Jan-1988124.25114.67
Dec-1987127.26121
Nov-1987132.88138.67
Oct-1987103.73133.32
Sep-198772.6977.19
Aug-198761.0771.7
Jul-198744.7948.39
Jun-198735.9237.96
May-198731.8532.53
Apr-198731.1131.46
Mar-198728.3430.06
Feb-198727.1623.26
Jan-198722.6923.31
Dec-198618.623.2
Nov-198615.8617.69
Oct-198612.5713.71
Sep-198611.6211.97
Aug-198611.4810.8
Jul-198611.4512.13
Jun-198610.7711.2
May-19867.798.38
Apr-19866.587.07
Mar-19865.396.17
Feb-19865.975.33
Jan-19865.546.64
Dec-19854.964.96
Nov-19854.814.71
Oct-19854.944.6
Sep-19855.15.08
Aug-19854.775.04
Jul-19854.314.36
Jun-19854.294.28
May-19854.574.41
Apr-19854.844.78
Mar-19854.924.89
Feb-19853.964.47
Jan-19852.833.27
Dec-19842.432.5
Nov-19842.142.21
Oct-19842.212.13
Sep-19841.982.06
Aug-19841.781.85
Jul-19841.71.72
Jun-19841.721.72
May-19841.651.67
Apr-19841.61.63
Mar-19841.571.54
Feb-19841.731.67
Jan-19841.621.66
Dec-19831.561.57
Nov-19831.511.51
Oct-19831.471.47
Sep-19831.411.39
Aug-19831.361.39
Jul-19831.271.33
Jun-19831.241.23
May-19831.211.24
Apr-19831.21.21
Mar-19831.211.21
Feb-19831.161.18
Jan-19831.121.15
Dec-19821.151.11
Nov-19821.21.18
Oct-19821.241.23
Sep-19821.361.22
Aug-19821.481.37
Jul-19821.51.5
Jun-19821.491.49
May-19821.451.45
Apr-19821.451.45
Mar-19821.421.44
Feb-19821.421.43
Jan-19821.371.39
Dec-19811.351.35
Nov-19811.351.34
Oct-19811.351.34
Sep-19811.351.35
Aug-19811.371.37
Jul-19811.291.31
Jun-19811.271.26
May-19811.251.25
Apr-19811.21.21
Mar-19811.191.19
Feb-19811.181.2
Jan-19811.131.16
Dec-19801.111.1
Nov-19801.071.09
Oct-19801.051.05
Sep-19801.031.04
Aug-19801.031.03
Jul-19801.031.03
Jun-19801.021.02
May-19801.031.02
Apr-19801.031.02
Mar-19801.011.03
Feb-19800.980.99
Jan-19800.970.98
Dec-197910.97
Nov-19791.011.02
Oct-19790.990.99
Sep-19790.970.98
Aug-19790.970.97
Jul-19790.970.97
Jun-19790.960.96
May-19790.960.98
Apr-19790.940.95
Mar-19790.930.94
Feb-19790.940.94
Jan-19790.920.94
Dec-19780.910.91
Nov-19780.90.9
Oct-19780.90.9
Sep-19780.890.89
Aug-19780.880.89
Jul-19780.850.86
Jun-19780.840.84
May-19780.850.84
Apr-19780.850.85
Mar-19780.850.85
Feb-19780.860.85
Jan-19780.860.86
Dec-19770.870.86
Nov-19770.870.88
Oct-19770.880.88
Sep-19770.880.88
Aug-19770.890.88
Jul-19770.880.89
Jun-19770.870.87
May-19770.870.87
Apr-19770.860.86
Mar-19770.860.86
Feb-19770.860.86
Jan-19770.850.86
Dec-19760.820.83
Nov-19760.80.78
Oct-19760.90.84
Sep-19760.940.94
Aug-19760.930.94
Jul-19760.890.91
Jun-19760.850.88
May-19760.790.82
Apr-19760.740.75
Mar-19760.710.74
Feb-19760.690.69
Jan-19760.690.69
Dec-19750.690.69
Nov-19750.680.69
Oct-19750.670.67
Sep-19750.650.67
Aug-19750.640.64
Jul-19750.650.65
Jun-19750.640.64
May-19750.640.64
Apr-19750.640.64
Mar-19750.640.65
Feb-19750.660.63
Jan-19750.660.64
Dec-19740.660.65
Nov-19740.670.65
Oct-19740.630.65
Sep-19740.640.63
Aug-19740.640.64
Jul-19740.640.64
Jun-19740.650.65
May-19740.650.66
Apr-19740.650.66
Mar-19740.670.66
Feb-19740.680.67
Jan-19740.70.69
Dec-19730.710.71
Nov-19730.720.73
Oct-19730.710.72
Sep-19730.720.72
Aug-19730.70.71
Jul-19730.640.66
Jun-19730.670.65
May-19730.680.67
Apr-19730.720.7
Mar-19730.720.72
Feb-19730.740.74
Jan-19730.730.73
Dec-19720.730.73
Nov-19720.730.73
Oct-19720.730.73
Sep-19720.720.73
Aug-19720.720.72
Jul-19720.720.72
Jun-19720.740.73
May-19720.740.74
Apr-19720.740.74
Mar-19720.750.74
Feb-19720.760.76
Jan-19720.760.76
Dec-19710.720.76
Nov-19710.70.7
Oct-19710.70.71
Sep-19710.710.7
Aug-19710.720.72
Jul-19710.730.73
Jun-19710.730.73
May-19710.730.73
Apr-19710.730.73
Mar-19710.720.73
Feb-19710.720.72
Jan-19710.720.72
Dec-19700.720.72
Nov-19700.720.72
Oct-19700.720.72
Sep-19700.730.73
Aug-19700.730.73
Jul-19700.730.73
Jun-19700.730.73
May-19700.730.73
Apr-19700.730.73
Mar-19700.730.73
Feb-19700.730.73
Jan-19700.730.73
Dec-19690.720.72
Nov-19690.720.72
Oct-19690.720.72
Sep-19690.730.73
Aug-19690.720.72
Jul-19690.720.72
Jun-19690.730.72
May-19690.740.74
Apr-19690.730.74
Mar-19690.720.73
Feb-19690.720.72
Jan-19690.710.72
Dec-19680.710.71
Nov-19680.70.71
Oct-19680.70.71
Sep-19680.70.7
Aug-19680.70.71
Jul-19680.70.7
Jun-19680.70.7
May-19680.70.7
Apr-19680.70.7
Mar-19680.70.7
Feb-19680.70.7
Jan-19680.70.7
Dec-19670.70.7
Nov-19670.710.71
Oct-19670.720.72
Sep-19670.720.72
Aug-19670.720.72
Jul-19670.720.72
Jun-19670.720.72
May-19670.710.72
Apr-19670.710.71
Mar-19670.710.71
Feb-19670.710.71
Jan-19670.710.71
Dec-19660.710.7
Nov-19660.70.7
Oct-19660.70.71
Sep-19660.710.71
Aug-19660.70.71
Jul-19660.690.7
Jun-19660.690.69
May-19660.690.69
Apr-19660.690.69
Mar-19660.690.69
Feb-19660.690.69
Jan-19660.690.69
Dec-19650.680.68
Nov-19650.680.68
Oct-19650.680.68
Sep-19650.680.68
Aug-19650.680.68
Jul-19650.680.68
Jun-19650.680.68
May-19650.690.68
Apr-19650.690.69
Mar-19650.680.68
Feb-19650.680.68
Jan-19650.680.68
Dec-19640.680.68
Nov-19640.680.68
Oct-19640.680.68
Sep-19640.680.68
Aug-19640.680.68
Jul-19640.680.68
Jun-19640.680.68
May-19640.680.68
Apr-19640.690.68
Mar-19640.690.68
Feb-19640.690.69
Jan-19640.690.69