Data Series

PeriodPeriod AverageEnd of Period
Aug-201812.7412.8
Jul-201812.8112.82
Jun-201812.8912.83
May-201812.9912.94
Apr-201813.213.12
Mar-201813.2213.23
Feb-201813.2413.19
Jan-201813.213.3
Dec-201713.0913.13
Nov-201713.1113.12
Oct-201713.2213.1
Sep-201713.4913.33
Aug-201713.7613.57
Jul-201713.8713.92
Jun-201713.9113.98
May-201713.8513.89
Apr-201713.7313.82
Mar-201713.7313.73
Feb-201713.7213.71
Jan-201713.7113.75
Dec-201613.6113.64
Nov-201613.6413.63
Oct-201613.713.72
Sep-201613.813.76
Aug-201613.7913.78
Jul-201613.6413.66
Jun-201613.713.67
May-201613.7513.65
Apr-201613.8713.83
Mar-201613.7813.88
Feb-201614.1413.89
Jan-201614.0514.07
Dec-201514.0514.1
Nov-20151413.9
Oct-201514.2414.15
Sep-201514.2414.2
Aug-201514.5914.21
Jul-201515.1615.13
Jun-201515.3115.23
May-201515.3415.15
Apr-201515.3915.52
Mar-201515.6215.43
Feb-201516.0415.88
Jan-201516.8916.23
Dec-201417.3617.14
Nov-201417.7617.52
Oct-201418.0617.99
Sep-201418.5618.12
Aug-201418.8318.76
Jul-201418.9718.87
Jun-201419.0119
May-201419.1119.05
Apr-201419.1719.18
Mar-201419.419.19
Feb-201419.3219.41
Jan-201419.2819.32
Dec-201319.1419.31
Nov-201318.7718.86
Oct-201318.5218.55
Sep-201318.4318.43
Aug-201318.7418.56
Jul-201318.9418.96
Jun-201319.0818.87
May-201319.0118.95
Apr-201319.1319.16
Mar-201319.0719
Feb-201319.319.17
Jan-201319.2819.4
Dec-201219.2119.27
Nov-201218.9219.06
Oct-201218.9719.02
Sep-201218.9419.01
Aug-201218.5118.83
Jul-201218.6318.39
Jun-201219.4119.09
May-201220.1319.63
Apr-201220.3820.35
Mar-201220.2920.35
Feb-201220.2120.3
Jan-201219.8620.06
Dec-201120.1519.83
Nov-201120.320.26
Oct-201120.3720.62
Sep-201120.420.23
Aug-201120.7820.82
Jul-201120.7320.84
Jun-201120.9320.84
May-201120.9420.92
Apr-201121.0321.13
Mar-201120.8620.99
Feb-201120.720.79
Jan-201120.4820.64
Dec-201020.2320.27
Nov-201020.3820.04
Oct-201020.4420.35
Sep-201020.1620.27
Aug-201020.2120.04
Jul-201020.3320.42
Jun-201020.1520.22
May-201020.320.26
Apr-201020.6320.54
Mar-201020.6820.62
Feb-201020.6420.62
Jan-201020.9220.81
Dec-200920.8520.68
Nov-200920.8820.9
Oct-200920.8720.84
Sep-200920.820.81
Aug-200920.6920.73
Jul-200920.6320.63
Jun-200920.6720.58
May-200920.8520.85
Apr-200920.5620.75
Mar-200920.720.13
Feb-200920.9820.9
Jan-200920.9520.94
Dec-200821.3321.21
Nov-200822.2521.45
Oct-200824.1822.53
Sep-200824.7124.64
Aug-200824.5824.74
Jul-200824.3424.51
Jun-200823.9124.03
May-200823.8224
Apr-200823.1823.61
Mar-200823.0223.11
Feb-200822.6122.82
Jan-200822.522.67
Dec-200722.4922.56
Nov-200722.5922.59
Oct-200722.2222.7
Sep-200721.9121.95
Aug-200721.721.75
Jul-200721.6721.74
Jun-200721.4521.4
May-200721.3321.38
Apr-200721.3621.48
Mar-200721.0221.05
Feb-200721.0820.98
Jan-200721.0221.04
Dec-200621.1721.18
Nov-200620.8321.24
Oct-200620.4720.41
Sep-200620.8820.91
Aug-200620.6920.6
Jul-200620.4520.37
Jun-200620.5920.53
May-200620.9620.72
Apr-200620.6620.88
Mar-200620.5320.59
Feb-200620.5520.31
Jan-200620.6520.65
Dec-200520.6420.68
Nov-200520.520.26
Oct-200520.720.62
Sep-200520.820.7
Aug-200520.6620.41
Jul-200520.4920.45
Jun-200520.5720.54
May-200520.7120.48
Apr-200520.8620.89
Mar-200520.9520.82
Feb-200520.8620.97
Jan-200520.8920.85
Dec-200420.8920.92
Nov-200420.7420.8
Oct-200420.7420.7
Sep-200420.8920.77
Aug-200420.8820.86
Jul-200421.1120.81
Jun-200421.2221.33
May-200421.1921.21
Apr-200421.1721.07
Mar-200421.121.1
Feb-200421.221.08
Jan-200421.1621.33
Dec-200321.5921.24
Nov-200321.0521.92
Oct-200319.719.99
Sep-200319.3919.45
Aug-200319.4219.37
Jul-200319.3919.39
Jun-200319.1619.23
May-200319.0519.16
Apr-200318.9218.94
Mar-200318.9219.12
Feb-200318.9418.91
Jan-200319.0318.93
Dec-200218.9818.89
Nov-200219.0118.88
Oct-200219.0219.06
Sep-200219.0119.06
Aug-200218.8919.05
Jul-200218.919.01
Jun-200218.9518.91
May-200218.9519.03
Apr-200218.8618.83
Mar-200219.0218.78
Feb-200219.1219.13
Jan-200219.4919.25
Dec-200119.6119.51
Nov-200119.5219.58
Oct-200119.7819.86
Sep-200119.8519.96
Aug-200119.6719.55
Jul-200119.1119.32
Jun-200119.0218.99
May-200119.418.95
Apr-200119.8119.93
Mar-200119.9619.37
Feb-200120.1820.42
Jan-200120.6820.57
Dec-200019.9320.53
Nov-200019.3119.54
Oct-200019.1319.19
Sep-200019.2219.35
Aug-200019.7319.55
Jul-200020.2719.98
Jun-200020.3520.47
May-200019.8320.15
Apr-200020.4320.04
Mar-200020.9520.52
Feb-200021.7421.26
Jan-200022.0321.77
Dec-199922.0922.14
Nov-199922.2322.14
Oct-199922.6222.35
Sep-199922.6622.8
Aug-199922.6222.72
Jul-199922.0222.44
Jun-199922.0421.94
May-199922.4822.24
Apr-199922.6322.46
Mar-199923.1322.78
Feb-199923.7623.32
Jan-199924.7424.77
Dec-199825.1324.87
Nov-199825.5225.2
Oct-199826.225.83
Sep-199825.9226.07
Aug-199825.4625.48
Jul-199825.7225.7
Jun-199825.7425.77
May-199825.7425.62
Apr-199825.6925.62
Mar-199825.6225.55
Feb-199825.8525.85
Jan-199825.8625.95
Dec-199726.2226.14
Nov-199726.6325.99
Oct-199726.3426.4
Sep-199726.0926.42
Aug-199725.6126.2
Jul-199726.0925.91
Jun-199726.726.32
May-199726.8527.06
Apr-199726.7326.31
Mar-199726.8926.57
Feb-199726.9427.01
Jan-199727.0327.05
Dec-199627.527.63
Nov-199627.9327.33
Oct-199627.9328.7
Sep-199628.3527.92
Aug-199628.3828.38
Jul-199628.5229.35
Jun-199628.4928.51
May-199628.5128.38
Apr-199629.4128.92
Mar-199629.5929.59
Feb-199629.7729.88
Jan-199630.0629.6
Dec-199530.8530.63
Nov-199531.3531.13
Oct-199531.931.46
Sep-199531.6132
Aug-199531.9331.52
Jul-199532.6232.45
Jun-199533.9132.92
May-199535.7935.38
Apr-199537.0136.5
Mar-199537.7937.51
Feb-199537.9637.85
Jan-199538.4738.64
Dec-199438.6238.23
Nov-199440.0339.06
Oct-199440.7840.75
Sep-199442.6540.74
Aug-199443.943.4
Jul-199443.9543.99
Jun-199444.7144.2
May-199445.9145.51
Apr-199452.7546.77
Mar-199471.2271.29
Feb-199470.6670.81
Jan-199470.7870.53
Dec-199371.4271.78
Nov-199371.7771.24
Oct-199373.2672.15
Sep-199373.6374.16
Aug-199371.7672.43
Jul-199373.4172.62
Jun-199376.4876.63
May-199376.276.18
Apr-199375.5176.39
Mar-199375.3774.58
Feb-199379.4475.61
Jan-199381.3780.61
Dec-199283.6183.77
Nov-199291.0584.3
Oct-1992108.6193.84
Sep-1992124.46119.04
Aug-1992114.75115.13
Jul-199287.98104.29
Jun-199279.0279.67
May-199273.2675.78
Apr-199265.1872.56
Mar-199253.0657.53
Feb-199242.9449.3
Jan-199241.4240.62
Dec-199140.6741.66
Nov-199139.9540.42
Oct-199146.5339.28
Sep-199151.0951.35
Aug-199150.3649.94
Jul-199149.7850.4
Jun-199151.5251.07
May-199152.5552.11
Apr-199154.5452.71
Mar-199159.3155.08
Feb-199168.6165.63
Jan-199177.9276.74
Dec-199070.7170.76
Nov-199072.7668.23
Oct-199092.9872.41
Sep-1990117.87100.53
Aug-199087.25111.42
Jul-199076.6775.79
Jun-199081.2179.24
May-199080.4879.08
Apr-199074.1876.97
Mar-199070.5372.1
Feb-199070.4670.5
Jan-199066.0966.44
Dec-198957.5561.29
Nov-198952.5654.25
Oct-198963.2553.34
Sep-198973.7968.39
Aug-198978.478.18
Jul-198975.0275.26
Jun-198974.1174.56
May-198973.9374.23
Apr-198975.8474.53
Mar-198973.7572.33
Feb-198980.5272.57
Jan-198983.581.89
Dec-198880.5583.33
Nov-198880.3478.25
Oct-198871.8676.53
Sep-198862.7264.92
Aug-198858.6467.27
Jul-198861.0558.02
Jun-198863.7362.67
May-198869.6266.18
Apr-198871.3270.37
Mar-198870.3569.8
Feb-198875.9371.04
Jan-198896.1686.69
Dec-1987102.2297.43
Nov-1987106.68111.35
Oct-198783.31107.07
Sep-198758.3861.99
Aug-198749.0457.6
Jul-198735.9838.87
Jun-19872930.49
May-198725.826.35
Apr-198725.225.49
Mar-198724.4724.35
Feb-198700
Jan-198700
Dec-198614.2418.04
Nov-198612.3513.89
Oct-19869.9410.6
Sep-19869.39.61
Aug-19869.458.89
Jul-19869.329.94
Jun-19868.679.07
May-19866.116.88
Apr-19865.125.58
Mar-19864.234.8
Feb-19864.634.21
Jan-19864.245.12
Dec-19853.763.79
Nov-19853.613.58
Oct-19853.693.45
Sep-19853.723.79
Aug-19853.513.71
Jul-19853.143.21
Jun-19853.083.08
May-19853.223.12
Apr-19853.423.38
Mar-19853.423.46
Feb-19852.733.07
Jan-19851.972.28
Dec-19841.691.74
Nov-19841.511.54
Oct-19841.541.5
Sep-19841.381.43
Aug-19841.261.34
Jul-19841.191.2
Jun-19841.221.22
May-19841.181.2
Apr-19841.161.17
Mar-19841.141.12
Feb-19841.231.2
Jan-19841.151.17
Dec-19831.11.12
Nov-19831.071.08
Oct-19831.051.05
Sep-198311
Aug-19830.970.99
Jul-19830.910.95
Jun-19830.890.89
May-19830.880.89
Apr-19830.880.88
Mar-19830.890.88
Feb-19830.860.87
Jan-19830.830.84
Dec-19820.840.82
Nov-19820.910.86
Oct-19820.910.9
Sep-198210.89
Aug-19821.091
Jul-19821.111.11
Jun-19821.111.11
May-19821.111.11
Apr-19821.091.1
Mar-19821.081.09
Feb-19821.091.09
Jan-19821.061.08
Dec-19811.061.06
Nov-19811.061.06
Oct-19811.051.05
Sep-19811.051.06
Aug-19811.041.05
Jul-19810.991
Jun-19810.980.97
May-19810.970.97
Apr-19810.960.96
Mar-19810.960.96
Feb-19810.950.96
Jan-19810.910.97
Dec-19800.930.92
Nov-19800.910.92
Oct-19800.90.9
Sep-19800.90.9
Aug-19800.90.9
Jul-19800.910.9
Jun-19800.90.9
May-19800.890.89
Apr-19800.880.89
Mar-19800.870.86
Feb-19800.880.88
Jan-19800.870.87
Dec-19790.90.87
Nov-19790.890.91
Oct-19790.870.87
Sep-19790.860.86
Aug-19790.850.85
Jul-19790.840.84
Jun-19790.840.84
May-19790.830.84
Apr-19790.810.82
Mar-19790.810.82
Feb-19790.820.82
Jan-19790.790.81
Dec-19780.780.78
Nov-19780.750.77
Oct-19780.780.78
Sep-19780.760.76
Aug-19780.750.75
Jul-19780.740.75
Jun-19780.720.73
May-19780.730.72
Apr-19780.740.73
Mar-19780.730.73
Feb-19780.730.73
Jan-19780.740.73
Dec-19770.750.74
Nov-19770.750.75
Oct-19770.750.75
Sep-19770.750.75
Aug-19770.750.75
Jul-19770.760.76
Jun-19770.740.74
May-19770.730.74
Apr-19770.730.73
Mar-19770.730.73
Feb-19770.730.73
Jan-19770.720.73
Dec-19760.690.67
Nov-19760.680.66
Oct-19760.760.71
Sep-19760.790.79
Aug-19760.780.79
Jul-19760.750.76
Jun-19760.720.74
May-19760.670.7
Apr-19760.630.64
Mar-19760.610.63
Feb-19760.590.59
Jan-19760.590.59
Dec-19750.590.59
Nov-19750.580.59
Oct-19750.580.58
Sep-19750.560.57
Aug-19750.560.55
Jul-19750.570.56
Jun-19750.580.58
May-19750.610.58
Apr-19750.580.58
Mar-19750.580.58
Feb-19750.60.58
Jan-19750.590.58
Dec-19740.580.58
Nov-19740.580.57
Oct-19740.540.55
Sep-19740.540.54
Aug-19740.550.54
Jul-19740.550.55
Jun-19740.550.55
May-19740.560.56
Apr-19740.550.57
Mar-19740.570.57
Feb-19740.560.57
Jan-19740.570.56
Dec-19730.620.6
Nov-19730.650.65
Oct-19730.670.67
Sep-19730.670.67
Aug-19730.670.66
Jul-19730.660.67
Jun-19730.660.66
May-19730.640.64
Apr-19730.660.65
Mar-19730.670.67
Feb-19730.670.68
Jan-19730.670.67
Dec-19720.670.66
Nov-19720.670.67
Oct-19720.680.67
Sep-19720.670.68
Aug-19720.660.67
Jul-19720.680.67
Jun-19720.680.68
May-19720.690.69
Apr-19720.690.69
Mar-19720.70.69
Feb-19720.690.7
Jan-19720.680.69
Dec-19710.680.68
Nov-19710.640.64
Oct-19710.640.64
Sep-19710.650.64
Aug-19710.660.65
Jul-19710.660.66
Jun-19710.660.66
May-19710.660.66
Apr-19710.660.66
Mar-19710.660.66
Feb-19710.660.66
Jan-19710.660.66
Dec-19700.660.66
Nov-19700.660.66
Oct-19700.660.66
Sep-19700.660.66
Aug-19700.660.66
Jul-19700.660.66
Jun-19700.660.66
May-19700.660.66
Apr-19700.660.66
Mar-19700.670.67
Feb-19700.670.67
Jan-19700.660.67
Dec-19690.660.66
Nov-19690.650.66
Oct-19690.660.66
Sep-19690.660.66
Aug-19690.660.66
Jul-19690.660.66
Jun-19690.660.66
May-19690.670.67
Apr-19690.660.67
Mar-19690.660.66
Feb-19690.660.66
Jan-19690.650.65
Dec-19680.640.64
Nov-19680.640.64
Oct-19680.640.64
Sep-19680.640.64
Aug-19680.640.64
Jul-19680.640.64
Jun-19680.640.64
May-19680.640.64
Apr-19680.640.64
Mar-19680.640.64
Feb-19680.630.64
Jan-19680.630.63
Dec-19670.640.63
Nov-19670.640.64
Oct-19670.650.65
Sep-19670.650.66
Aug-19670.650.65
Jul-19670.650.65
Jun-19670.660.65
May-19670.650.65
Apr-19670.650.65
Mar-19670.650.65
Feb-19670.650.65
Jan-19670.640.64
Dec-19660.640.64
Nov-19660.640.64
Oct-19660.640.64
Sep-19660.650.64
Aug-19660.640.64
Jul-19660.630.64
Jun-19660.630.63
May-19660.630.63
Apr-19660.630.63
Mar-19660.630.63
Feb-19660.630.63
Jan-19660.620.63
Dec-19650.620.62
Nov-19650.620.62
Oct-19650.620.62
Sep-19650.620.62
Aug-19650.620.62
Jul-19650.620.62
Jun-19650.620.62
May-19650.630.62
Apr-19650.630.63
Mar-19650.620.62
Feb-19650.620.62
Jan-19650.620.62
Dec-19640.620.62
Nov-19640.620.62
Oct-19640.620.62
Sep-19640.620.62
Aug-19640.620.62
Jul-19640.620.62
Jun-19640.620.62
May-19640.620.62
Apr-19640.620.62
Mar-19640.630.62
Feb-19640.630.63
Jan-196400.63