Data Series

PeriodPeriod AverageEnd of Period
Jan-201813.313.2
Dec-201713.113.13
Nov-201713.113.12
Oct-201713.213.1
Sep-201713.513.33
Aug-201713.813.57
Jul-201713.913.92
Jun-201713.913.98
May-201713.813.89
Apr-201713.713.82
Mar-201713.713.73
Feb-201713.713.71
Jan-201713.713.75
Dec-201613.613.64
Nov-201613.613.63
Oct-201613.713.72
Sep-201613.813.76
Aug-201613.813.78
Jul-201613.613.66
Jun-201613.713.67
May-201613.813.65
Apr-201613.913.83
Mar-201613.813.88
Feb-201614.113.89
Jan-201614.114.07
Dec-201514.114.1
Nov-20151413.9
Oct-201514.214.15
Sep-201514.214.2
Aug-201514.614.21
Jul-201515.215.13
Jun-201515.315.23
May-201515.315.15
Apr-201515.415.52
Mar-201515.615.43
Feb-20151615.88
Jan-201516.916.23
Dec-201417.417.14
Nov-201417.817.52
Oct-201418.117.99
Sep-201418.618.12
Aug-201418.818.76
Jul-20141918.87
Jun-20141919
May-201419.119.05
Apr-201419.219.18
Mar-201419.419.19
Feb-201419.319.41
Jan-201419.319.32
Dec-201319.119.31
Nov-201318.818.86
Oct-201318.518.55
Sep-201318.418.43
Aug-201318.718.56
Jul-201318.918.96
Jun-201319.118.87
May-20131918.95
Apr-201319.119.16
Mar-201319.119
Feb-201319.319.17
Jan-201319.319.4
Dec-201219.219.27
Nov-201218.919.06
Oct-20121919.02
Sep-201218.919.01
Aug-201218.518.83
Jul-201218.618.39
Jun-201219.419.09
May-201220.119.63
Apr-201220.420.35
Mar-201220.320.35
Feb-201220.220.3
Jan-201219.920.06
Dec-201120.119.83
Nov-201120.320.26
Oct-201120.420.62
Sep-201120.420.23
Aug-201120.820.82
Jul-201120.720.84
Jun-201120.920.84
May-201120.920.92
Apr-20112121.13
Mar-201120.920.99
Feb-201120.720.79
Jan-201120.520.64
Dec-201020.220.27
Nov-201020.420.04
Oct-201020.420.35
Sep-201020.220.27
Aug-201020.220.04
Jul-201020.320.42
Jun-201020.120.22
May-201020.320.26
Apr-201020.620.54
Mar-201020.720.62
Feb-201020.620.62
Jan-201020.920.81
Dec-200920.920.68
Nov-200920.920.9
Oct-200920.920.84
Sep-200920.820.81
Aug-200920.720.73
Jul-200920.620.63
Jun-200920.720.58
May-200920.920.85
Apr-200920.620.75
Mar-200920.720.13
Feb-20092120.9
Jan-20092120.94
Dec-200821.321.21
Nov-200822.221.45
Oct-200824.222.53
Sep-200824.724.64
Aug-200824.624.74
Jul-200824.324.51
Jun-200823.924.03
May-200823.824
Apr-200823.223.61
Mar-20082323.11
Feb-200822.622.82
Jan-200822.522.67
Dec-200722.522.56
Nov-200722.622.59
Oct-200722.222.7
Sep-200721.921.95
Aug-200721.721.75
Jul-200721.721.74
Jun-200721.521.4
May-200721.321.38
Apr-200721.421.48
Mar-20072121.05
Feb-200721.120.98
Jan-20072121.04
Dec-200621.221.18
Nov-200620.821.24
Oct-200620.520.41
Sep-200620.920.91
Aug-200620.720.6
Jul-200620.520.37
Jun-200620.620.53
May-20062120.72
Apr-200620.720.88
Mar-200620.520.59
Feb-200620.520.31
Jan-200620.620.65
Dec-200520.620.68
Nov-200520.520.26
Oct-200520.720.62
Sep-200520.820.7
Aug-200520.720.41
Jul-200520.520.45
Jun-200520.620.54
May-200520.720.48
Apr-200520.920.89
Mar-20052120.82
Feb-200520.920.97
Jan-200520.920.85
Dec-200420.920.92
Nov-200420.720.8
Oct-200420.720.7
Sep-200420.920.77
Aug-200420.920.86
Jul-200421.120.81
Jun-200421.221.33
May-200421.221.21
Apr-200421.221.07
Mar-200421.121.1
Feb-200421.221.08
Jan-200421.221.33
Dec-200321.621.24
Nov-20032121.92
Oct-200319.719.99
Sep-200319.419.45
Aug-200319.419.37
Jul-200319.419.39
Jun-200319.219.23
May-200319.119.16
Apr-200318.918.94
Mar-200318.919.12
Feb-200318.918.91
Jan-20031918.93
Dec-20021918.89
Nov-20021918.88
Oct-20021919.06
Sep-20021919.06
Aug-200218.919.05
Jul-200218.919.01
Jun-20021918.91
May-20021919.03
Apr-200218.918.83
Mar-20021918.78
Feb-200219.119.13
Jan-200219.519.25
Dec-200119.619.51
Nov-200119.519.58
Oct-200119.819.86
Sep-200119.919.96
Aug-200119.719.55
Jul-200119.119.32
Jun-20011918.99
May-200119.418.95
Apr-200119.819.93
Mar-20012019.37
Feb-200120.220.42
Jan-200120.720.57
Dec-200019.920.53
Nov-200019.319.54
Oct-200019.119.19
Sep-200019.219.35
Aug-200019.719.55
Jul-200020.319.98
Jun-200020.420.47
May-200019.820.15
Apr-200020.420.04
Mar-20002120.52
Feb-200021.721.26
Jan-20002221.77
Dec-199922.122.14
Nov-199922.222.14
Oct-199922.622.35
Sep-199922.722.8
Aug-199922.622.72
Jul-19992222.44
Jun-19992221.94
May-199922.522.24
Apr-199922.622.46
Mar-199923.122.78
Feb-199923.823.32
Jan-199924.724.77
Dec-199825.124.87
Nov-199825.525.2
Oct-199826.225.83
Sep-199825.926.07
Aug-199825.525.48
Jul-199825.725.7
Jun-199825.725.77
May-199825.725.62
Apr-199825.725.62
Mar-199825.625.55
Feb-199825.925.85
Jan-199825.925.95
Dec-199726.226.14
Nov-199726.625.99
Oct-199726.326.4
Sep-199726.126.42
Aug-199725.626.2
Jul-199726.125.91
Jun-199726.726.32
May-199726.927.06
Apr-199726.726.31
Mar-199726.926.57
Feb-199726.927.01
Jan-19972727.05
Dec-199627.527.63
Nov-199627.927.33
Oct-199627.928.7
Sep-199628.427.92
Aug-199628.428.38
Jul-199628.529.35
Jun-199628.528.51
May-199628.528.38
Apr-199629.428.92
Mar-199629.629.59
Feb-199629.829.88
Jan-199630.129.6
Dec-199530.930.63
Nov-199531.431.13
Oct-199531.931.46
Sep-199531.632
Aug-199531.931.52
Jul-199532.632.45
Jun-199533.932.92
May-199535.835.38
Apr-19953736.5
Mar-199537.837.51
Feb-19953837.85
Jan-199538.538.64
Dec-199438.638.23
Nov-19944039.06
Oct-199440.840.75
Sep-199442.740.74
Aug-199443.943.4
Jul-19944443.99
Jun-199444.744.2
May-199445.945.51
Apr-199452.846.77
Mar-199471.271.29
Feb-199470.770.81
Jan-199470.870.53
Dec-199371.471.78
Nov-199371.871.24
Oct-199373.372.15
Sep-199373.674.16
Aug-199371.872.43
Jul-199373.472.62
Jun-199376.576.63
May-199376.276.18
Apr-199375.576.39
Mar-199375.474.58
Feb-199379.475.61
Jan-199381.480.61
Dec-199283.683.77
Nov-199291.184.3
Oct-1992108.693.84
Sep-1992124.5119.04
Aug-1992114.8115.13
Jul-199288104.29
Jun-19927979.67
May-199273.375.78
Apr-199265.272.56
Mar-199253.157.53
Feb-199242.949.3
Jan-199241.440.62
Dec-199140.741.66
Nov-19914040.42
Oct-199146.539.28
Sep-199151.151.35
Aug-199150.449.94
Jul-199149.850.4
Jun-199151.551.07
May-199152.552.11
Apr-199154.552.71
Mar-199159.355.08
Feb-199168.665.63
Jan-199177.976.74
Dec-199070.770.76
Nov-199072.868.23
Oct-19909372.41
Sep-1990117.9100.53
Aug-199087.2111.42
Jul-199076.775.79
Jun-199081.279.24
May-199080.579.08
Apr-199074.276.97
Mar-199070.572.1
Feb-199070.570.5
Jan-199066.166.44
Dec-198957.561.29
Nov-198952.654.25
Oct-198963.253.34
Sep-198973.868.39
Aug-198978.478.18
Jul-19897575.26
Jun-198974.174.56
May-198973.974.23
Apr-198975.874.53
Mar-198973.872.33
Feb-198980.572.57
Jan-198983.581.89
Dec-198880.683.33
Nov-198880.378.25
Oct-198871.976.53
Sep-198862.764.92
Aug-198858.667.27
Jul-19886158.02
Jun-198863.762.67
May-198869.666.18
Apr-198871.370.37
Mar-198870.369.8
Feb-198875.971.04
Jan-198896.286.69
Dec-1987102.297.43
Nov-1987106.7111.35
Oct-198783.3107.07
Sep-198758.461.99
Aug-19874957.6
Jul-19873638.87
Jun-19872930.49
May-198725.826.35
Apr-198725.225.49
Mar-198724.524.35
Feb-198700
Jan-198700
Dec-198614.218.04
Nov-198612.413.89
Oct-19869.910.6
Sep-19869.39.61
Aug-19869.48.89
Jul-19869.39.94
Jun-19868.79.07
May-19866.16.88
Apr-19865.15.58
Mar-19864.24.8
Feb-19864.64.21
Jan-19864.25.12
Dec-19853.83.79
Nov-19853.63.58
Oct-19853.73.45
Sep-19853.73.79
Aug-19853.53.71
Jul-19853.13.21
Jun-19853.13.08
May-19853.23.12
Apr-19853.43.38
Mar-19853.43.46
Feb-19852.73.07
Jan-198522.28
Dec-19841.71.74
Nov-19841.51.54
Oct-19841.51.5
Sep-19841.41.43
Aug-19841.31.34
Jul-19841.21.2
Jun-19841.21.22
May-19841.21.2
Apr-19841.21.17
Mar-19841.11.12
Feb-19841.21.2
Jan-19841.11.17
Dec-19831.11.12
Nov-19831.11.08
Oct-19831.11.05
Sep-198311
Aug-198310.99
Jul-19830.90.95
Jun-19830.90.89
May-19830.90.89
Apr-19830.90.88
Mar-19830.90.88
Feb-19830.90.87
Jan-19830.80.84
Dec-19820.80.82
Nov-19820.90.86
Oct-19820.90.9
Sep-198210.89
Aug-19821.11
Jul-19821.11.11
Jun-19821.11.11
May-19821.11.11
Apr-19821.11.1
Mar-19821.11.09
Feb-19821.11.09
Jan-19821.11.08
Dec-19811.11.06
Nov-19811.11.06
Oct-19811.11.05
Sep-19811.11.06
Aug-198111.05
Jul-198111
Jun-198110.97
May-198110.97
Apr-198110.96
Mar-198110.96
Feb-19810.90.96
Jan-19810.90.97
Dec-19800.90.92
Nov-19800.90.92
Oct-19800.90.9
Sep-19800.90.9
Aug-19800.90.9
Jul-19800.90.9
Jun-19800.90.9
May-19800.90.89
Apr-19800.90.89
Mar-19800.90.86
Feb-19800.90.88
Jan-19800.90.87
Dec-19790.90.87
Nov-19790.90.91
Oct-19790.90.87
Sep-19790.90.86
Aug-19790.80.85
Jul-19790.80.84
Jun-19790.80.84
May-19790.80.84
Apr-19790.80.82
Mar-19790.80.82
Feb-19790.80.82
Jan-19790.80.81
Dec-19780.80.78
Nov-19780.80.77
Oct-19780.80.78
Sep-19780.80.76
Aug-19780.80.75
Jul-19780.70.75
Jun-19780.70.73
May-19780.70.72
Apr-19780.70.73
Mar-19780.70.73
Feb-19780.70.73
Jan-19780.70.73
Dec-19770.70.74
Nov-19770.70.75
Oct-19770.80.75
Sep-19770.70.75
Aug-19770.80.75
Jul-19770.80.76
Jun-19770.70.74
May-19770.70.74
Apr-19770.70.73
Mar-19770.70.73
Feb-19770.70.73
Jan-19770.70.73
Dec-19760.70.67
Nov-19760.70.66
Oct-19760.80.71
Sep-19760.80.79
Aug-19760.80.79
Jul-19760.80.76
Jun-19760.70.74
May-19760.70.7
Apr-19760.60.64
Mar-19760.60.63
Feb-19760.60.59
Jan-19760.60.59
Dec-19750.60.59
Nov-19750.60.59
Oct-19750.60.58
Sep-19750.60.57
Aug-19750.60.55
Jul-19750.60.56
Jun-19750.60.58
May-19750.60.58
Apr-19750.60.58
Mar-19750.60.58
Feb-19750.60.58
Jan-19750.60.58
Dec-19740.60.58
Nov-19740.60.57
Oct-19740.50.55
Sep-19740.50.54
Aug-19740.50.54
Jul-19740.50.55
Jun-19740.60.55
May-19740.60.56
Apr-19740.50.57
Mar-19740.60.57
Feb-19740.60.57
Jan-19740.60.56
Dec-19730.60.6
Nov-19730.60.65
Oct-19730.70.67
Sep-19730.70.67
Aug-19730.70.66
Jul-19730.70.67
Jun-19730.70.66
May-19730.60.64
Apr-19730.70.65
Mar-19730.70.67
Feb-19730.70.68
Jan-19730.70.67
Dec-19720.70.66
Nov-19720.70.67
Oct-19720.70.67
Sep-19720.70.68
Aug-19720.70.67
Jul-19720.70.67
Jun-19720.70.68
May-19720.70.69
Apr-19720.70.69
Mar-19720.70.69
Feb-19720.70.7
Jan-19720.70.69
Dec-19710.70.68
Nov-19710.60.64
Oct-19710.60.64
Sep-19710.60.64
Aug-19710.70.65
Jul-19710.70.66
Jun-19710.70.66
May-19710.70.66
Apr-19710.70.66
Mar-19710.70.66
Feb-19710.70.66
Jan-19710.70.66
Dec-19700.70.66
Nov-19700.70.66
Oct-19700.70.66
Sep-19700.70.66
Aug-19700.70.66
Jul-19700.70.66
Jun-19700.70.66
May-19700.70.66
Apr-19700.70.66
Mar-19700.70.67
Feb-19700.70.67
Jan-19700.70.67
Dec-19690.70.66
Nov-19690.70.66
Oct-19690.70.66
Sep-19690.70.66
Aug-19690.70.66
Jul-19690.70.66
Jun-19690.70.66
May-19690.70.67
Apr-19690.70.67
Mar-19690.70.66
Feb-19690.70.66
Jan-19690.60.65
Dec-19680.60.64
Nov-19680.60.64
Oct-19680.60.64
Sep-19680.60.64
Aug-19680.60.64
Jul-19680.60.64
Jun-19680.60.64
May-19680.60.64
Apr-19680.60.64
Mar-19680.60.64
Feb-19680.60.64
Jan-19680.60.63
Dec-19670.60.63
Nov-19670.60.64
Oct-19670.70.65
Sep-19670.70.66
Aug-19670.70.65
Jul-19670.70.65
Jun-19670.70.65
May-19670.60.65
Apr-19670.60.65
Mar-19670.60.65
Feb-19670.60.65
Jan-19670.60.64
Dec-19660.60.64
Nov-19660.60.64
Oct-19660.60.64
Sep-19660.60.64
Aug-19660.60.64
Jul-19660.60.64
Jun-19660.60.63
May-19660.60.63
Apr-19660.60.63
Mar-19660.60.63
Feb-19660.60.63
Jan-19660.60.63
Dec-19650.60.62
Nov-19650.60.62
Oct-19650.60.62
Sep-19650.60.62
Aug-19650.60.62
Jul-19650.60.62
Jun-19650.60.62
May-19650.60.62
Apr-19650.60.63
Mar-19650.60.62
Feb-19650.60.62
Jan-19650.60.62
Dec-19640.60.62
Nov-19640.60.62
Oct-19640.60.62
Sep-19640.60.62
Aug-19640.60.62
Jul-19640.60.62
Jun-19640.60.62
May-19640.60.62
Apr-19640.60.62
Mar-19640.60.62
Feb-19640.60.63
Jan-196400.63