Data Series

PeriodPeriod AverageEnd of Period
Jan-2018165162.89
Dec-2017159.8161.09
Nov-2017159.2159.96
Oct-2017159.6158.51
Sep-2017161159.93
Aug-2017159.7160.6
Jul-2017157158.89
Jun-2017154.7156.15
May-2017153.2154.57
Apr-2017150.4151.96
Mar-2017150.1150.23
Feb-2017149.8149.44
Jan-2017149.8150.66
Dec-2016149.2149.27
Nov-2016151.5149.86
Oct-2016153.4152.51
Sep-2016154.9154.73
Aug-2016155154.47
Jul-2016153.6153.8
Jun-2016155.2154.42
May-2016155.9154.48
Apr-2016156.1156.34
Mar-2016154.2156.37
Feb-2016154152.21
Jan-2016152.2152.45
Dec-2015152.1152.44
Nov-2015151.2149.77
Oct-2015155.3153.39
Sep-2015155.4155.41
Aug-2015154.7155.24
Jul-2015153.7153.06
Jun-2015155.5155.43
May-2015155153.43
Apr-2015151.9155.29
Mar-2015152.3151.44
Feb-2015158.1156.78
Jan-2015160.8157.38
Dec-2014168.9166.95
Nov-2014170.4170.1
Oct-2014172.6171.5
Sep-2014175.2171.36
Aug-2014179.7178.45
Jul-2014182.5180.29
Jun-2014182.8183.08
May-2014184.4182.8
Apr-2014185.4185.75
Mar-2014185.4185.04
Feb-2014183.5185.28
Jan-2014183182.08
Dec-2013183.6184.42
Nov-2013181.7183.23
Oct-2013183.2183.15
Sep-2013180181.47
Aug-2013179.6178.88
Jul-2013177.2178.68
Jun-2013178.2176.89
May-2013175.9176.42
Apr-2013176.5177.06
Mar-2013175.9174.26
Feb-2013180.4177.71
Jan-2013179.5182.53
Dec-2012177.6178.38
Nov-2012174.4176.07
Oct-2012176176.14
Sep-2012174.6175.82
Aug-2012169.8171.31
Jul-2012168.5168.43
Jun-2012171.1171.67
May-2012174.1169.46
Apr-2012178.2178.76
Mar-2012178.6180.08
Feb-2012178.8181.26
Jan-2012175.2178.35
Dec-2011178175.23
Nov-2011182.1179.52
Oct-2011184.1187.53
Sep-2011184.4182.06
Aug-2011191192.71
Jul-2011190.3190.36
Jun-2011191.6192.43
May-2011191191.57
Apr-2011192.2196.7
Mar-2011187.2189.62
Feb-2011183.6185.47
Jan-2011180.3182.89
Dec-2010178.8179.1
Nov-2010183.7176.67
Oct-2010186.1185.05
Sep-2010177.2183.53
Aug-2010175.2172.86
Jul-2010173.6176.79
Jun-2010167.4167.98
May-2010171.5168.33
Apr-2010180.8179.6
Mar-2010182.8181.38
Feb-2010183.9181.69
Jan-2010190.3187
Dec-2009194.2190.77
Nov-2009197.3198.51
Oct-2009196.2196.38
Sep-2009193.3194.71
Aug-2009190190.01
Jul-2009188.1188.4
Jun-2009187.4188.41
May-2009183.3187.59
Apr-2009178.8179.45
Mar-2009177.5180
Feb-2009174.2172.63
Jan-2009178.9174.8
Dec-2008182.2189.19
Nov-2008173.6174.87
Oct-2008179.2173.54
Sep-2008191.4191.25
Aug-2008198.4195.59
Jul-2008206.9205.22
Jun-2008204.6207.19
May-2008204.8203.82
Apr-2008207.1204.61
Mar-2008204.5207.55
Feb-2008195.7200.56
Jan-2008195.2196.97
Dec-2007193.9194.77
Nov-2007194.8195.79
Oct-2007189.8192.5
Sep-2007186.1189.16
Aug-2007183.3183.72
Jul-2007184.2184.12
Jun-2007181181.53
May-2007181.9181.07
Apr-2007182182.94
Mar-2007179179.56
Feb-2007177178.46
Jan-2007176.3175.6
Dec-2006178.5177.83
Nov-2006174.9178.5
Oct-2006172.1172.83
Sep-2006173.4172.73
Aug-2006174.3174.87
Jul-2006172.8172.75
Jun-2006172.5172.99
May-2006173.9174.83
Apr-2006168.2171.36
Mar-2006165.4166.22
Feb-2006164.9164.27
Jan-2006166.8166.88
Dec-2005163.6162.99
Nov-2005162.5162.51
Oct-2005165.5165.87
Sep-2005168165.44
Aug-2005168.4167.33
Jul-2005165.6165.85
Jun-2005166.8166.01
May-2005172.6168.61
Apr-2005175.8175.43
Mar-2005178.8176.25
Feb-2005177.1178.66
Jan-2005178176.99
Dec-2004180.9183.03
Nov-2004176.1179.55
Oct-2004170.6173.47
Sep-2004167.5168.82
Aug-2004167.2166.57
Jul-2004168.2165.87
Jun-2004166.6166.92
May-2004165.1167.2
Apr-2004165.1164.59
Mar-2004168.4167.53
Feb-2004171.6170.15
Jan-2004172171.99
Dec-2003167.9170.35
Nov-2003161.5164.26
Oct-2003162.2160.84
Sep-2003156.5160.77
Aug-2003155.6152.55
Jul-2003158.1157.13
Jun-2003161.4158.72
May-2003160.5163.36
Apr-2003152155.43
Mar-2003151.7152.67
Feb-2003151.6151.4
Jan-2003149.9152.05
Dec-2002145.2147.82
Nov-2002143.2142.03
Oct-2002140.9141.17
Sep-2002141141.44
Aug-2002140.5141.48
Jul-2002142.1140.59
Jun-2002138.1142.12
May-2002134136.31
Apr-2002130.5132.17
Mar-2002129.3128.93
Feb-2002128.6128.23
Jan-2002130.1127.78
Dec-2001131130.19
Nov-2001130.7130.59
Oct-2001132.7132.49
Sep-2001133.3133.88
Aug-2001132133.73
Jul-2001127.6129.34
Jun-2001127126.21
May-2001129.4126.56
Apr-2001136.5130.76
Mar-2001139.4136.96
Feb-2001140.9141.18
Jan-2001142.4141.74
Dec-2000139142.01
Nov-2000135.9136.77
Oct-2000136.1134.81
Sep-2000137.4138.37
Aug-2000140.1139.4
Jul-2000143.3141.65
Jun-2000144145.07
May-2000141142.26
Apr-2000144.5141.87
Mar-2000145.7145.21
Feb-2000147.2146.26
Jan-2000150.2147.14
Dec-1999150.2150.28
Nov-1999151.9149.85
Oct-1999155.1152.8
Sep-1999153.2154.79
Aug-1999153.6153.41
Jul-1999150.8154.46
Jun-1999151150.66
May-1999153.1151.72
Apr-1999153.8153.19
Mar-1999155.6154.05
Feb-1999158.2156.2
Jan-1999161.7159.45
Dec-1998162.9162.96
Nov-1998161.9160.16
Oct-1998165.2163.8
Sep-1998161.1163.04
Aug-1998155.6156.68
Jul-1998155.4156.01
Jun-1998156.1155.05
May-1998157.1156.27
Apr-1998155.3156.21
Mar-1998154.7153.39
Feb-1998155.4155.54
Jan-1998155.5155.95
Dec-1997158.4157.34
Nov-1997161.5159.32
Oct-1997159.6161.68
Sep-1997157.5158.5
Aug-1997154.4157.54
Jul-1997158.5155.42
Jun-1997162.3161.83
May-1997164.1163.89
Apr-1997165162.45
Mar-1997165.3165.21
Feb-1997166.3165.04
Jan-1997172.3168.74
Dec-1996176.2176.4
Nov-1996179.5177.81
Oct-1996177.5179.4
Sep-1996179177.67
Aug-1996181180.95
Jul-1996180.4181.75
Jun-1996179.1179.85
May-1996179.6179.3
Apr-1996182.1179.78
Mar-1996184.1184.28
Feb-1996185.1186.5
Jan-1996186.2183.49
Dec-1995188.3189.68
Nov-1995190.8188.96
Oct-1995190.9191.25
Sep-1995187.9190.75
Aug-1995190.1186.67
Jul-1995194.9195.96
Jun-1995193.6194.28
May-1995192.3194.3
Apr-1995196.6195.51
Mar-1995194.1195.5
Feb-1995187.8189.59
Jan-1995186188.31
Dec-1994183.6184.81
Nov-1994188.5185.14
Oct-1994190.9191.15
Sep-1994188.2188.17
Aug-1994187.4188.64
Jul-1994187.4187.02
Jun-1994182.7188.02
May-1994181.4182.03
Apr-1994178.6180.12
Mar-1994179.7181.1
Feb-1994177.6178.29
Jan-1994177.6177.29
Dec-1993179.5179.58
Nov-1993179.9178.69
Oct-1993185.1180.92
Sep-1993185.2187.09
Aug-1993179.6178.96
Jul-1993184.2182.63
Jun-1993191.7190.77
May-1993193.4193.08
Apr-1993190.8194.15
Mar-1993189.8187.34
Feb-1993202.2190.9
Jan-1993208.6207.91
Dec-1992212.5211.16
Nov-1992243.9215.15
Oct-1992286251.89
Sep-1992322308.75
Aug-1992290.8291.72
Jul-1992223.5264.25
Jun-1992202.1201.47
May-1992186.4195
Apr-1992165.6184.06
Mar-1992135146.52
Feb-1992110.2125.03
Jan-1992107.2103.6
Dec-1991104.5108.55
Nov-1991102.3104.21
Oct-1991105.899.48
Sep-1991110.2110.2
Aug-1991110.3110.31
Jul-1991111110.31
Jun-1991109.8111.8
May-1991103.2102.42
Apr-1991108.2104.32
Mar-1991119.2109.56
Feb-1991136.6133.22
Jan-1991120.3139.93
Dec-199099.4105.24
Nov-199088.688.52
Oct-199010785.7
Sep-1990131112.52
Aug-199092.2122.26
Jul-199076.978.97
Jun-199078.575.36
May-199079.177.76
Apr-199072.875.65
Mar-199069.370.79
Feb-199069.269.66
Jan-199065.165.41
Dec-198956.760.33
Nov-198952.253.41
Oct-198954.853.24
Sep-198960.856.38
Aug-198964.664.45
Jul-198961.862.04
Jun-198961.161.47
May-19896161.2
Apr-198962.561.44
Mar-198956.959.63
Feb-19896255.29
Jan-198964.863.41
Dec-198863.465.01
Nov-198862.460.83
Oct-198853.958.86
Sep-198846.948.51
Aug-19884350.26
Jul-198842.741.95
Jun-198844.143.19
May-198846.745.6
Apr-198847.146.48
Mar-198845.445.1
Feb-198848.145.91
Jan-198859.554.62
Dec-198760.558.18
Nov-198761.665.33
Oct-19874760.53
Sep-198732.834.92
Aug-198727.231.65
Jul-19872021.56
Jun-198716.217.03
May-198714.314.61
Apr-19871414.13
Mar-198713.613.5
Feb-198700
Jan-198700
Dec-19867.99.99
Nov-19866.77.54
Oct-19865.35.72
Sep-19864.95.07
Aug-19864.84.55
Jul-19864.85.08
Jun-19864.44.61
May-19863.13.45
Apr-19862.62.84
Mar-19862.12.41
Feb-19862.32.14
Jan-19862.12.55
Dec-19851.91.88
Nov-19851.81.78
Oct-19851.81.69
Sep-19851.81.85
Aug-19851.71.8
Jul-19851.51.56
Jun-19851.51.5
May-19851.61.51
Apr-19851.81.69
Mar-19851.81.82
Feb-19851.41.6
Jan-19851.11.21
Dec-19840.90.93
Nov-19840.80.83
Oct-19840.80.81
Sep-19840.70.78
Aug-19840.70.74
Jul-19840.70.67
Jun-19840.70.68
May-19840.70.68
Apr-19840.70.67
Mar-19840.70.65
Feb-19840.80.73
Jan-19840.70.71
Dec-19830.70.68
Nov-19830.70.66
Oct-19830.70.65
Sep-19830.60.62
Aug-19830.60.61
Jul-19830.60.65
Jun-19830.60.62
May-19830.60.63
Apr-19830.60.63
Mar-19830.60.63
Feb-19830.60.63
Jan-19830.60.62
Dec-19820.60.61
Nov-19820.70.64
Oct-19820.70.67
Sep-19820.80.67
Aug-19820.80.76
Jul-19820.80.83
Jun-19820.80.83
May-19820.90.86
Apr-19820.80.85
Mar-19820.80.84
Feb-19820.90.85
Jan-19820.90.86
Dec-19810.90.87
Nov-19810.90.87
Oct-19810.90.85
Sep-19810.90.87
Aug-19810.80.84
Jul-19810.80.8
Jun-19810.80.79
May-19810.80.8
Apr-19810.80.81
Mar-19810.80.83
Feb-19810.80.83
Jan-19810.80.83
Dec-19800.90.84
Nov-19800.90.86
Oct-19800.90.85
Sep-19800.90.87
Aug-19800.90.89
Jul-19800.90.89
Jun-19800.90.9
May-19800.90.88
Apr-19800.90.88
Mar-19800.90.84
Feb-19800.90.87
Jan-19800.90.87
Dec-19790.90.87
Nov-19790.90.91
Oct-19790.90.86
Sep-19790.90.87
Aug-19790.80.84
Jul-19790.80.84
Jun-19790.80.83
May-19790.80.83
Apr-19790.80.81
Mar-19790.80.8
Feb-19790.80.8
Jan-19790.80.79
Dec-19780.80.77
Nov-19780.70.75
Oct-19780.80.78
Sep-19780.70.74
Aug-19780.70.73
Jul-19780.70.72
Jun-19780.70.69
May-19780.70.68
Apr-19780.70.69
Mar-19780.70.69
Feb-19780.70.69
Jan-19780.70.69
Dec-19770.70.69
Nov-19770.70.69
Oct-19770.70.69
Sep-19770.70.68
Aug-19770.70.68
Jul-19770.70.69
Jun-19770.70.69
May-19770.70.68
Apr-19770.70.68
Mar-19770.70.67
Feb-19770.70.67
Jan-19770.70.67
Dec-19760.60.65
Nov-19760.60.61
Oct-19760.70.66
Sep-19760.70.74
Aug-19760.70.74
Jul-19760.70.71
Jun-19760.70.7
May-19760.60.65
Apr-19760.60.6
Mar-19760.60.59
Feb-19760.60.57
Jan-19760.60.58
Dec-19750.60.58
Nov-19750.60.58
Oct-19750.60.58
Sep-19750.60.56
Aug-19750.60.55
Jul-19750.60.56
Jun-19750.60.58
May-19750.60.58
Apr-19750.60.56
Mar-19750.60.56
Feb-19750.60.56
Jan-19750.60.56
Dec-19740.60.55
Nov-19740.50.54
Oct-19740.50.53
Sep-19740.50.52
Aug-19740.50.53
Jul-19740.50.53
Jun-19740.50.53
May-19740.50.53
Apr-19740.50.54
Mar-19740.50.54
Feb-19740.50.54
Jan-19740.50.54
Dec-19730.60.59
Nov-19730.60.63
Oct-19730.60.65
Sep-19730.60.64
Aug-19730.60.63
Jul-19730.60.63
Jun-19730.60.62
May-19730.60.61
Apr-19730.60.63
Mar-19730.70.65
Feb-19730.70.67
Jan-19730.70.66
Dec-19720.70.65
Nov-19720.70.66
Oct-19720.70.66
Sep-19720.70.66
Aug-19720.60.66
Jul-19720.70.65
Jun-19720.70.66
May-19720.70.67
Apr-19720.70.67
Mar-19720.70.67
Feb-19720.70.68
Jan-19720.70.67
Dec-19710.60.66
Nov-19710.60.63
Oct-19710.60.63
Sep-19710.60.63
Aug-19710.60.64
Jul-19710.60.65
Jun-19710.60.65
May-19710.60.65
Apr-19710.60.65
Mar-19710.60.65
Feb-19710.60.65
Jan-19710.60.65
Dec-19700.60.65
Nov-19700.60.64
Oct-19700.60.64
Sep-19700.60.65
Aug-19700.60.65
Jul-19700.60.65
Jun-19700.60.65
May-19700.60.65
Apr-19700.60.65
Mar-19700.70.65
Feb-19700.70.65
Jan-19700.60.65
Dec-19690.60.64
Nov-19690.60.64
Oct-19690.60.64
Sep-19690.60.64
Aug-19690.60.65
Jul-19690.60.64
Jun-19690.60.64
May-19690.70.65
Apr-19690.60.65
Mar-19690.60.64
Feb-19690.60.64
Jan-19690.60.63
Dec-19680.60.63
Nov-19680.60.63
Oct-19680.60.62
Sep-19680.60.62
Aug-19680.60.62
Jul-19680.60.62
Jun-19680.60.62
May-19680.60.62
Apr-19680.60.62
Mar-19680.60.62
Feb-19680.60.62
Jan-19680.60.62
Dec-19670.60.62
Nov-19670.60.63
Oct-19670.60.64
Sep-19670.60.64
Aug-19670.60.64
Jul-19670.60.64
Jun-19670.60.64
May-19670.60.64
Apr-19670.60.63
Mar-19670.60.63
Feb-19670.60.63
Jan-19670.60.63
Dec-19660.60.62
Nov-19660.60.63
Oct-19660.60.63
Sep-19660.60.63
Aug-19660.60.63
Jul-19660.60.62
Jun-19660.60.62
May-19660.60.62
Apr-19660.60.62
Mar-19660.60.62
Feb-19660.60.62
Jan-19660.60.61
Dec-19650.60.61
Nov-19650.60.61
Oct-19650.60.61
Sep-19650.60.61
Aug-19650.60.61
Jul-19650.60.61
Jun-19650.60.61
May-19650.60.61
Apr-19650.60.61
Mar-19650.60.61
Feb-19650.60.61
Jan-19650.60.61
Dec-19640.60.61
Nov-19640.60.61
Oct-19640.60.61
Sep-19640.60.61
Aug-19640.60.61
Jul-19640.60.61
Jun-19640.60.61
May-19640.60.61
Apr-19640.60.61
Mar-19640.60.61
Feb-19640.60.62
Jan-19640.60.62