Data Series

PeriodPeriod AverageEnd of Period
Nov-2017159.25159.96
Oct-2017159.59158.51
Sep-2017160.98159.93
Aug-2017159.71160.6
Jul-2017157.03158.89
Jun-2017154.66156.15
May-2017153.18154.57
Apr-2017150.44151.96
Mar-2017150.14150.23
Feb-2017149.77149.44
Jan-2017149.75150.66
Dec-2016149.22149.27
Nov-2016151.52149.86
Oct-2016153.37152.51
Sep-2016154.95154.73
Aug-2016154.96154.47
Jul-2016153.62153.8
Jun-2016155.18154.42
May-2016155.9154.48
Apr-2016156.06156.34
Mar-2016154.18156.37
Feb-2016154.02152.21
Jan-2016152.17152.45
Dec-2015152.09152.44
Nov-2015151.17149.77
Oct-2015155.29153.39
Sep-2015155.43155.41
Aug-2015154.72155.24
Jul-2015153.71153.06
Jun-2015155.5155.43
May-2015155.03153.43
Apr-2015151.95155.29
Mar-2015152.27151.44
Feb-2015158.15156.78
Jan-2015160.75157.38
Dec-2014168.86166.95
Nov-2014170.39170.1
Oct-2014172.61171.5
Sep-2014175.22171.36
Aug-2014179.71178.45
Jul-2014182.5180.29
Jun-2014182.77183.08
May-2014184.45182.8
Apr-2014185.35185.75
Mar-2014185.44185.04
Feb-2014183.46185.28
Jan-2014182.99182.08
Dec-2013183.64184.42
Nov-2013181.66183.23
Oct-2013183.22183.15
Sep-2013179.99181.47
Aug-2013179.55178.88
Jul-2013177.16178.68
Jun-2013178.25176.89
May-2013175.94176.42
Apr-2013176.51177.06
Mar-2013175.91174.26
Feb-2013180.35177.71
Jan-2013179.47182.53
Dec-2012177.55178.38
Nov-2012174.45176.07
Oct-2012176176.14
Sep-2012174.6175.82
Aug-2012169.75171.31
Jul-2012168.5168.43
Jun-2012171.13171.67
May-2012174.12169.46
Apr-2012178.17178.76
Mar-2012178.57180.08
Feb-2012178.84181.26
Jan-2012175.21178.35
Dec-2011178.01175.23
Nov-2011182.13179.52
Oct-2011184.13187.53
Sep-2011184.45182.06
Aug-2011191192.71
Jul-2011190.26190.36
Jun-2011191.57192.43
May-2011190.98191.57
Apr-2011192.16196.7
Mar-2011187.21189.62
Feb-2011183.61185.47
Jan-2011180.28182.89
Dec-2010178.75179.1
Nov-2010183.74176.67
Oct-2010186.05185.05
Sep-2010177.19183.53
Aug-2010175.19172.86
Jul-2010173.63176.79
Jun-2010167.39167.98
May-2010171.54168.33
Apr-2010180.78179.6
Mar-2010182.76181.38
Feb-2010183.87181.69
Jan-2010190.32187
Dec-2009194.2190.77
Nov-2009197.31198.51
Oct-2009196.24196.38
Sep-2009193.33194.71
Aug-2009189.99190.01
Jul-2009188.05188.4
Jun-2009187.43188.41
May-2009183.27187.59
Apr-2009178.77179.45
Mar-2009177.46180
Feb-2009174.2172.63
Jan-2009178.95174.8
Dec-2008182.21189.19
Nov-2008173.58174.87
Oct-2008179.25173.54
Sep-2008191.45191.25
Aug-2008198.35195.59
Jul-2008206.92205.22
Jun-2008204.62207.19
May-2008204.75203.82
Apr-2008207.1204.61
Mar-2008204.47207.55
Feb-2008195.7200.56
Jan-2008195.22196.97
Dec-2007193.85194.77
Nov-2007194.77195.79
Oct-2007189.84192.5
Sep-2007186.11189.16
Aug-2007183.27183.72
Jul-2007184.22184.12
Jun-2007181.01181.53
May-2007181.87181.07
Apr-2007181.96182.94
Mar-2007178.97179.56
Feb-2007177.04178.46
Jan-2007176.34175.6
Dec-2006178.54177.83
Nov-2006174.88178.5
Oct-2006172.12172.83
Sep-2006173.4172.73
Aug-2006174.31174.87
Jul-2006172.76172.75
Jun-2006172.48172.99
May-2006173.91174.83
Apr-2006168.16171.36
Mar-2006165.37166.22
Feb-2006164.93164.27
Jan-2006166.78166.88
Dec-2005163.64162.99
Nov-2005162.54162.51
Oct-2005165.54165.87
Sep-2005168165.44
Aug-2005168.42167.33
Jul-2005165.63165.85
Jun-2005166.76166.01
May-2005172.64168.61
Apr-2005175.77175.43
Mar-2005178.8176.25
Feb-2005177.09178.66
Jan-2005178.04176.99
Dec-2004180.91183.03
Nov-2004176.15179.55
Oct-2004170.59173.47
Sep-2004167.48168.82
Aug-2004167.17166.57
Jul-2004168.16165.87
Jun-2004166.65166.92
May-2004165.15167.2
Apr-2004165.1164.59
Mar-2004168.44167.53
Feb-2004171.62170.15
Jan-2004171.99171.99
Dec-2003167.9170.35
Nov-2003161.46164.26
Oct-2003162.22160.84
Sep-2003156.49160.77
Aug-2003155.64152.55
Jul-2003158.11157.13
Jun-2003161.41158.72
May-2003160.53163.36
Apr-2003152.03155.43
Mar-2003151.72152.67
Feb-2003151.62151.4
Jan-2003149.88152.05
Dec-2002145.19147.82
Nov-2002143.18142.03
Oct-2002140.93141.17
Sep-2002141141.44
Aug-2002140.5141.48
Jul-2002142.12140.59
Jun-2002138.09142.12
May-2002133.98136.31
Apr-2002130.47132.17
Mar-2002129.27128.93
Feb-2002128.59128.23
Jan-2002130.15127.78
Dec-2001131.02130.19
Nov-2001130.69130.59
Oct-2001132.7132.49
Sep-2001133.26133.88
Aug-2001132.04133.73
Jul-2001127.64129.34
Jun-2001126.98126.21
May-2001129.36126.56
Apr-2001136.48130.76
Mar-2001139.44136.96
Feb-2001140.92141.18
Jan-2001142.39141.74
Dec-2000138.96142.01
Nov-2000135.91136.77
Oct-2000136.11134.81
Sep-2000137.45138.37
Aug-2000140.14139.4
Jul-2000143.3141.65
Jun-2000143.98145.07
May-2000141.02142.26
Apr-2000144.53141.87
Mar-2000145.72145.21
Feb-2000147.2146.26
Jan-2000150.21147.14
Dec-1999150.25150.28
Nov-1999151.85149.85
Oct-1999155.11152.8
Sep-1999153.22154.79
Aug-1999153.57153.41
Jul-1999150.83154.46
Jun-1999151.02150.66
May-1999153.11151.72
Apr-1999153.82153.19
Mar-1999155.55154.05
Feb-1999158.2156.2
Jan-1999161.73159.45
Dec-1998162.85162.96
Nov-1998161.91160.16
Oct-1998165.25163.8
Sep-1998161.07163.04
Aug-1998155.62156.68
Jul-1998155.41156.01
Jun-1998156.07155.05
May-1998157.07156.27
Apr-1998155.32156.21
Mar-1998154.69153.39
Feb-1998155.41155.54
Jan-1998155.53155.95
Dec-1997158.36157.34
Nov-1997161.5159.32
Oct-1997159.58161.68
Sep-1997157.49158.5
Aug-1997154.43157.54
Jul-1997158.52155.42
Jun-1997162.28161.83
May-1997164.11163.89
Apr-1997165162.45
Mar-1997165.33165.21
Feb-1997166.26165.04
Jan-1997172.26168.74
Dec-1996176.22176.4
Nov-1996179.5177.81
Oct-1996177.53179.4
Sep-1996179.04177.67
Aug-1996181180.95
Jul-1996180.36181.75
Jun-1996179.15179.85
May-1996179.56179.3
Apr-1996182.14179.78
Mar-1996184.06184.28
Feb-1996185.05186.5
Jan-1996186.17183.49
Dec-1995188.28189.68
Nov-1995190.83188.96
Oct-1995190.86191.25
Sep-1995187.93190.75
Aug-1995190.08186.67
Jul-1995194.94195.96
Jun-1995193.61194.28
May-1995192.26194.3
Apr-1995196.56195.51
Mar-1995194.13195.5
Feb-1995187.77189.59
Jan-1995186188.31
Dec-1994183.61184.81
Nov-1994188.47185.14
Oct-1994190.9191.15
Sep-1994188.22188.17
Aug-1994187.36188.64
Jul-1994187.37187.02
Jun-1994182.72188.02
May-1994181.38182.03
Apr-1994178.64180.12
Mar-1994179.71181.1
Feb-1994177.56178.29
Jan-1994177.6177.29
Dec-1993179.5179.58
Nov-1993179.91178.69
Oct-1993185.08180.92
Sep-1993185.22187.09
Aug-1993179.61178.96
Jul-1993184.19182.63
Jun-1993191.72190.77
May-1993193.38193.08
Apr-1993190.81194.15
Mar-1993189.81187.34
Feb-1993202.23190.9
Jan-1993208.65207.91
Dec-1992212.52211.16
Nov-1992243.87215.15
Oct-1992285.99251.89
Sep-1992322.04308.75
Aug-1992290.77291.72
Jul-1992223.46264.25
Jun-1992202.1201.47
May-1992186.41195
Apr-1992165.64184.06
Mar-1992135.03146.52
Feb-1992110.25125.03
Jan-1992107.2103.6
Dec-1991104.5108.55
Nov-1991102.28104.21
Oct-1991105.7999.48
Sep-1991110.24110.2
Aug-1991110.31110.31
Jul-1991111.02110.31
Jun-1991109.77111.8
May-1991103.18102.42
Apr-1991108.21104.32
Mar-1991119.25109.56
Feb-1991136.58133.22
Jan-1991120.28139.93
Dec-199099.38105.24
Nov-199088.6488.52
Oct-1990106.9785.7
Sep-1990131112.52
Aug-199092.21122.26
Jul-199076.9378.97
Jun-199078.575.36
May-199079.1177.76
Apr-199072.8275.65
Mar-199069.2770.79
Feb-199069.2569.66
Jan-199065.0765.41
Dec-198956.6660.33
Nov-198952.2453.41
Oct-198954.8453.24
Sep-198960.8356.38
Aug-198964.6364.45
Jul-198961.8462.04
Jun-198961.0961.47
May-198960.9561.2
Apr-198962.5261.44
Mar-198956.8759.63
Feb-198961.9655.29
Jan-198964.863.41
Dec-198863.3665.01
Nov-198862.3960.83
Oct-198853.8658.86
Sep-198846.8748.51
Aug-198843.0250.26
Jul-198842.6741.95
Jun-198844.0643.19
May-198846.7345.6
Apr-198847.1146.48
Mar-198845.4345.1
Feb-198848.1345.91
Jan-198859.4954.62
Dec-198760.4858.18
Nov-198761.6165.33
Oct-198746.9560.53
Sep-198732.8234.92
Aug-198727.1631.65
Jul-198720.0321.56
Jun-198716.1817.03
May-198714.3114.61
Apr-198713.9714.13
Mar-198713.5713.5
Feb-198700
Jan-198700
Dec-19867.99.99
Nov-19866.687.54
Oct-19865.335.72
Sep-19864.915.07
Aug-19864.844.55
Jul-19864.755.08
Jun-19864.384.61
May-19863.13.45
Apr-19862.582.84
Mar-19862.132.41
Feb-19862.322.14
Jan-19862.112.55
Dec-19851.861.88
Nov-19851.771.78
Oct-19851.81.69
Sep-19851.791.85
Aug-19851.691.8
Jul-19851.551.56
Jun-19851.51.5
May-19851.581.51
Apr-19851.771.69
Mar-19851.771.82
Feb-19851.431.6
Jan-19851.051.21
Dec-19840.910.93
Nov-19840.820.83
Oct-19840.830.81
Sep-19840.750.78
Aug-19840.70.74
Jul-19840.660.67
Jun-19840.690.68
May-19840.670.68
Apr-19840.670.67
Mar-19840.690.65
Feb-19840.750.73
Jan-19840.690.71
Dec-19830.670.68
Nov-19830.660.66
Oct-19830.650.65
Sep-19830.620.62
Aug-19830.640.61
Jul-19830.630.65
Jun-19830.620.62
May-19830.630.63
Apr-19830.630.63
Mar-19830.650.63
Feb-19830.630.63
Jan-19830.610.62
Dec-19820.620.61
Nov-19820.680.64
Oct-19820.680.67
Sep-19820.760.67
Aug-19820.820.76
Jul-19820.830.83
Jun-19820.840.83
May-19820.860.86
Apr-19820.840.85
Mar-19820.830.84
Feb-19820.850.85
Jan-19820.870.86
Dec-19810.870.87
Nov-19810.870.87
Oct-19810.870.85
Sep-19810.860.87
Aug-19810.820.84
Jul-19810.790.8
Jun-19810.80.79
May-19810.810.8
Apr-19810.820.81
Mar-19810.840.83
Feb-19810.820.83
Jan-19810.840.83
Dec-19800.850.84
Nov-19800.850.86
Oct-19800.870.85
Sep-19800.880.87
Aug-19800.890.89
Jul-19800.90.89
Jun-19800.890.9
May-19800.880.88
Apr-19800.860.88
Mar-19800.860.84
Feb-19800.870.87
Jan-19800.870.87
Dec-19790.90.87
Nov-19790.890.91
Oct-19790.860.86
Sep-19790.850.87
Aug-19790.840.84
Jul-19790.840.84
Jun-19790.820.83
May-19790.810.83
Apr-19790.80.81
Mar-19790.80.8
Feb-19790.80.8
Jan-19790.780.79
Dec-19780.760.77
Nov-19780.740.75
Oct-19780.760.78
Sep-19780.730.74
Aug-19780.720.73
Jul-19780.680.72
Jun-19780.680.69
May-19780.680.68
Apr-19780.690.69
Mar-19780.690.69
Feb-19780.680.69
Jan-19780.690.69
Dec-19770.690.69
Nov-19770.690.69
Oct-19770.690.69
Sep-19770.680.68
Aug-19770.680.68
Jul-19770.690.69
Jun-19770.680.69
May-19770.680.68
Apr-19770.680.68
Mar-19770.670.67
Feb-19770.680.67
Jan-19770.670.67
Dec-19760.640.65
Nov-19760.630.61
Oct-19760.70.66
Sep-19760.740.74
Aug-19760.730.74
Jul-19760.70.71
Jun-19760.680.7
May-19760.630.65
Apr-19760.60.6
Mar-19760.580.59
Feb-19760.580.57
Jan-19760.580.58
Dec-19750.580.58
Nov-19750.580.58
Oct-19750.570.58
Sep-19750.550.56
Aug-19750.550.55
Jul-19750.570.56
Jun-19750.580.58
May-19750.580.58
Apr-19750.560.56
Mar-19750.560.56
Feb-19750.580.56
Jan-19750.570.56
Dec-19740.550.55
Nov-19740.550.54
Oct-19740.510.53
Sep-19740.510.52
Aug-19740.520.53
Jul-19740.520.53
Jun-19740.530.53
May-19740.540.53
Apr-19740.520.54
Mar-19740.540.54
Feb-19740.540.54
Jan-19740.550.54
Dec-19730.60.59
Nov-19730.620.63
Oct-19730.640.65
Sep-19730.640.64
Aug-19730.640.63
Jul-19730.620.63
Jun-19730.630.62
May-19730.620.61
Apr-19730.640.63
Mar-19730.650.65
Feb-19730.670.67
Jan-19730.650.66
Dec-19720.660.65
Nov-19720.660.66
Oct-19720.660.66
Sep-19720.660.66
Aug-19720.640.66
Jul-19720.660.65
Jun-19720.670.66
May-19720.670.67
Apr-19720.670.67
Mar-19720.680.67
Feb-19720.680.68
Jan-19720.670.67
Dec-19710.640.66
Nov-19710.630.63
Oct-19710.630.63
Sep-19710.630.63
Aug-19710.640.64
Jul-19710.650.65
Jun-19710.650.65
May-19710.650.65
Apr-19710.650.65
Mar-19710.640.65
Feb-19710.640.65
Jan-19710.640.65
Dec-19700.640.65
Nov-19700.640.64
Oct-19700.640.64
Sep-19700.650.65
Aug-19700.650.65
Jul-19700.650.65
Jun-19700.650.65
May-19700.650.65
Apr-19700.650.65
Mar-19700.650.65
Feb-19700.650.65
Jan-19700.650.65
Dec-19690.640.64
Nov-19690.640.64
Oct-19690.640.64
Sep-19690.650.64
Aug-19690.640.65
Jul-19690.640.64
Jun-19690.650.64
May-19690.660.65
Apr-19690.650.65
Mar-19690.640.64
Feb-19690.640.64
Jan-19690.630.63
Dec-19680.630.63
Nov-19680.630.63
Oct-19680.630.62
Sep-19680.630.62
Aug-19680.630.62
Jul-19680.630.62
Jun-19680.620.62
May-19680.620.62
Apr-19680.620.62
Mar-19680.620.62
Feb-19680.620.62
Jan-19680.620.62
Dec-19670.620.62
Nov-19670.630.63
Oct-19670.640.64
Sep-19670.640.64
Aug-19670.640.64
Jul-19670.640.64
Jun-19670.640.64
May-19670.630.64
Apr-19670.630.63
Mar-19670.630.63
Feb-19670.630.63
Jan-19670.630.63
Dec-19660.630.62
Nov-19660.630.63
Oct-19660.620.63
Sep-19660.630.63
Aug-19660.620.63
Jul-19660.620.62
Jun-19660.620.62
May-19660.610.62
Apr-19660.610.62
Mar-19660.610.62
Feb-19660.610.62
Jan-19660.610.61
Dec-19650.610.61
Nov-19650.610.61
Oct-19650.610.61
Sep-19650.610.61
Aug-19650.610.61
Jul-19650.60.61
Jun-19650.610.61
May-19650.610.61
Apr-19650.610.61
Mar-19650.610.61
Feb-19650.610.61
Jan-19650.610.61
Dec-19640.610.61
Nov-19640.610.61
Oct-19640.60.61
Sep-19640.610.61
Aug-19640.60.61
Jul-19640.60.61
Jun-19640.610.61
May-19640.610.61
Apr-19640.610.61
Mar-19640.610.61
Feb-19640.610.62
Jan-19640.610.62