Month	Percent
1960-01-01	5.540000000
1960-02-01	5.460000000
1960-03-01	5.390000000
1960-04-01	5.290000000
1960-05-01	5.210000000
1960-06-01	5.070000000
1960-07-01	5.080000000
1960-08-01	4.980000000
1960-09-01	4.800000000
1960-10-01	4.960000000
1960-11-01	5.200000000
1960-12-01	5.280000000
1961-01-01	5.270000000
1961-02-01	5.170000000
1961-03-01	5.140000000
1961-04-01	5.210000000
1961-05-01	5.170000000
1961-06-01	5.040000000
1961-07-01	4.950000000
1961-08-01	4.990000000
1961-09-01	4.980000000
1961-10-01	4.970000000
1961-11-01	4.870000000
1961-12-01	4.940000000
1962-01-01	4.960000000
1962-02-01	4.950000000
1962-03-01	4.880000000
1962-04-01	4.810000000
1962-05-01	4.890000000
1962-06-01	5.130000000
1962-07-01	5.410000000
1962-08-01	5.420000000
1962-09-01	5.380000000
1962-10-01	5.190000000
1962-11-01	5.060000000
1962-12-01	5.110000000
1963-01-01	5.100000000
1963-02-01	5.110000000
1963-03-01	5.110000000
1963-04-01	5.010000000
1963-05-01	4.950000000
1963-06-01	4.950000000
1963-07-01	5.060000000
1963-08-01	5.220000000
1963-09-01	5.220000000
1963-10-01	5.070000000
1963-11-01	5.140000000
1963-12-01	5.150000000
1964-01-01	5.170000000
1964-02-01	5.170000000
1964-03-01	5.220000000
1964-04-01	5.240000000
1964-05-01	5.200000000
1964-06-01	5.200000000
1964-07-01	5.210000000
1964-08-01	5.240000000
1964-09-01	5.220000000
1964-10-01	5.190000000
1964-11-01	5.090000000
1964-12-01	5.060000000
1965-01-01	4.980000000
1965-02-01	5.000000000
1965-03-01	5.090000000
1965-04-01	5.050000000
1965-05-01	5.080000000
1965-06-01	5.150000000
1965-07-01	5.240000000
1965-08-01	5.300000000
1965-09-01	5.300000000
1965-10-01	5.360000000
1965-11-01	5.420000000
1965-12-01	5.420000000
1966-01-01	5.410000000
1966-02-01	5.540000000
1966-03-01	5.630000000
1966-04-01	5.600000000
1966-05-01	5.600000000
1966-06-01	5.640000000
1966-07-01	5.720000000
1966-08-01	5.880000000
1966-09-01	5.790000000
1966-10-01	5.730000000
1966-11-01	5.820000000
1966-12-01	5.860000000
1967-01-01	5.620000000
1967-02-01	5.570000000
1967-03-01	5.500000000
1967-04-01	5.510000000
1967-05-01	5.720000000
1967-06-01	5.850000000
1967-07-01	5.850000000
1967-08-01	5.920000000
1967-09-01	6.050000000
1967-10-01	6.320000000
1967-11-01	6.390000000
1967-12-01	6.480000000
1968-01-01	6.490000000
1968-02-01	6.690000000
1968-03-01	6.880000000
1968-04-01	6.610000000
1968-05-01	6.810000000
1968-06-01	6.740000000
1968-07-01	6.600000000
1968-08-01	6.450000000
1968-09-01	6.510000000
1968-10-01	6.800000000
1968-11-01	6.930000000
1968-12-01	7.190000000
1969-01-01	7.230000000
1969-02-01	7.160000000
1969-03-01	7.240000000
1969-04-01	7.230000000
1969-05-01	7.380000000
1969-06-01	7.550000000
1969-07-01	7.540000000
1969-08-01	7.510000000
1969-09-01	7.720000000
1969-10-01	7.840000000
1969-11-01	8.030000000
1969-12-01	8.270000000
1970-01-01	8.340000000
1970-02-01	8.210000000
1970-03-01	8.050000000
1970-04-01	7.880000000
1970-05-01	8.180000000
1970-06-01	8.060000000
1970-07-01	7.970000000
1970-08-01	7.990000000
1970-09-01	7.920000000
1970-10-01	7.930000000
1970-11-01	7.800000000
1970-12-01	7.260000000
1971-01-01	6.690000000
1971-02-01	6.810000000
1971-03-01	6.800000000
1971-04-01	6.830000000
1971-05-01	7.190000000
1971-06-01	7.250000000
1971-07-01	7.410000000
1971-08-01	7.340000000
1971-09-01	7.000000000
1971-10-01	6.820000000
1971-11-01	6.660000000
1971-12-01	6.540000000
1972-01-01	6.660000000
1972-02-01	6.870000000
1972-03-01	7.070000000
1972-04-01	7.320000000
1972-05-01	7.330000000
1972-06-01	7.390000000
1972-07-01	7.480000000
1972-08-01	7.460000000
1972-09-01	7.480000000
1972-10-01	7.340000000
1972-11-01	7.180000000
1972-12-01	7.120000000
1973-01-01	7.120000000
1973-02-01	7.180000000
1973-03-01	7.300000000
1973-04-01	7.340000000
1973-05-01	7.580000000
1973-06-01	7.760000000
1973-07-01	7.750000000
1973-08-01	7.800000000
1973-09-01	7.820000000
1973-10-01	7.630000000
1973-11-01	7.370000000
1973-12-01	7.690000000
1974-01-01	7.740000000
1974-02-01	7.730000000
1974-03-01	7.920000000
1974-04-01	8.590000000
1974-05-01	8.870000000
1974-06-01	9.260000000
1974-07-01	9.660000000
1974-08-01	9.730000000
1974-09-01	9.760000000
1974-10-01	9.420000000
1974-11-01	8.920000000
1974-12-01	8.840000000
1975-01-01	8.420000000
1975-02-01	8.200000000
1975-03-01	8.260000000
1975-04-01	8.730000000
1975-05-01	8.810000000
1975-06-01	8.800000000
1975-07-01	9.060000000
1975-08-01	9.410000000
1975-09-01	9.700000000
1975-10-01	9.540000000
1975-11-01	9.450000000
1975-12-01	9.540000000
1976-01-01	9.390000000
1976-02-01	9.290000000
1976-03-01	9.470000000
1976-04-01	9.330000000
1976-05-01	9.330000000
1976-06-01	9.320000000
1976-07-01	9.350000000
1976-08-01	9.320000000
1976-09-01	9.140000000
1976-10-01	9.130000000
1976-11-01	9.010000000
1976-12-01	8.670000000
1977-01-01	8.500000000
1977-02-01	8.570000000
1977-03-01	8.760000000
1977-04-01	8.800000000
1977-05-01	8.810000000
1977-06-01	8.740000000
1977-07-01	8.720000000
1977-08-01	8.670000000
1977-09-01	8.570000000
1977-10-01	8.690000000
1977-11-01	8.730000000
1977-12-01	8.760000000
1978-01-01	8.980000000
1978-02-01	9.120000000
1978-03-01	9.150000000
1978-04-01	9.230000000
1978-05-01	9.160000000
1978-06-01	9.230000000
1978-07-01	9.190000000
1978-08-01	9.130000000
1978-09-01	9.160000000
1978-10-01	9.300000000
1978-11-01	9.550000000
1978-12-01	9.630000000
1979-01-01	9.830000000
1979-02-01	9.910000000
1979-03-01	9.920000000
1979-04-01	9.760000000
1979-05-01	9.760000000
1979-06-01	9.740000000
1979-07-01	9.760000000
1979-08-01	10.010000000
1979-09-01	10.290000000
1979-10-01	10.850000000
1979-11-01	11.120000000
1979-12-01	11.200000000
1980-01-01	11.690000000
1980-02-01	12.610000000
1980-03-01	13.220000000
1980-04-01	12.560000000
1980-05-01	11.400000000
1980-06-01	11.280000000
1980-07-01	11.600000000
1980-08-01	12.380000000
1980-09-01	12.590000000
1980-10-01	12.760000000
1980-11-01	13.030000000
1980-12-01	12.940000000
1981-01-01	12.820000000
1981-02-01	13.300000000
1981-03-01	13.370000000
1981-04-01	14.250000000
1981-05-01	15.340000000
1981-06-01	14.760000000
1981-07-01	15.890000000
1981-08-01	16.450000000
1981-09-01	17.000000000
1981-10-01	16.760000000
1981-11-01	14.930000000
1981-12-01	15.000000000
1982-01-01	15.820000000
1982-02-01	15.660000000
1982-03-01	14.950000000
1982-04-01	14.930000000
1982-05-01	14.700000000
1982-06-01	15.960000000
1982-07-01	16.162500000
1982-08-01	14.962500000
1982-09-01	13.926000000
1982-10-01	12.735000000
1982-11-01	11.770000000
1982-12-01	11.648000000
1983-01-01	11.365000000
1983-02-01	11.432500000
1983-03-01	11.186000000
1983-04-01	11.067500000
1983-05-01	10.710000000
1983-06-01	11.046000000
1983-07-01	11.567500000
1983-08-01	11.790000000
1983-09-01	11.770000000
1983-10-01	11.547500000
1983-11-01	11.516000000
1983-12-01	11.785000000
1984-01-01	11.717500000
1984-02-01	11.872000000
1984-03-01	12.842500000
1984-04-01	13.235000000
1984-05-01	13.640000000
1984-06-01	13.667500000
1984-07-01	13.730000000
1984-08-01	12.912000000
1984-09-01	12.767500000
1984-10-01	12.544000000
1984-11-01	11.930000000
1984-12-01	11.662500000
1985-01-01	11.406000000
1985-02-01	11.855000000
1985-03-01	12.160000000
1985-04-01	11.545000000
1985-05-01	11.074000000
1985-06-01	10.515000000
1985-07-01	10.594000000
1985-08-01	10.595000000
1985-09-01	10.792500000
1985-10-01	10.668000000
1985-11-01	10.017500000
1985-12-01	9.720000000
1986-01-01	10.042000000
1986-02-01	9.967500000
1986-03-01	9.402500000
1986-04-01	8.848000000
1986-05-01	8.932500000
1986-06-01	9.120000000
1986-07-01	8.872000000
1986-08-01	8.825000000
1986-09-01	9.002500000
1986-10-01	9.166000000
1986-11-01	8.902500000
1986-12-01	8.666000000
1987-01-01	8.330000000
1987-02-01	8.457500000
1987-03-01	8.282500000
1987-04-01	8.828000000
1987-05-01	9.592500000
1987-06-01	9.332500000
1987-07-01	9.574000000
1987-08-01	10.095000000
1987-09-01	10.722000000
1987-10-01	10.437500000
1987-11-01	9.875000000
1987-12-01	10.122000000
1988-01-01	9.715000000
1988-02-01	9.200000000
1988-03-01	9.422000000
1988-04-01	9.692500000
1988-05-01	9.942500000
1988-06-01	9.722000000
1988-07-01	9.900000000
1988-08-01	10.242000000
1988-09-01	10.150000000
1988-10-01	9.847500000
1988-11-01	10.020000000
1988-12-01	10.117500000
1989-01-01	10.142500000
1989-02-01	10.192500000
1989-03-01	10.562000000
1989-04-01	10.315000000
1989-05-01	9.912000000
1989-06-01	9.430000000
1989-07-01	9.340000000
1989-08-01	9.316000000
1989-09-01	9.545000000
1989-10-01	9.527500000
1989-11-01	9.494000000
1989-12-01	9.590000000
1990-01-01	9.748000000
1990-02-01	10.192500000
1990-03-01	10.740000000
1990-04-01	11.345000000
1990-05-01	11.322000000
1990-06-01	10.755000000
1990-07-01	10.672500000
1990-08-01	10.640000000
1990-09-01	10.802500000
1990-10-01	11.270000000
1990-11-01	10.705000000
1990-12-01	10.305000000
1991-01-01	10.206000000
1991-02-01	9.677500000
1991-03-01	9.632500000
1991-04-01	9.497500000
1991-05-01	9.574000000
1991-06-01	9.815000000
1991-07-01	10.006000000
1991-08-01	9.770000000
1991-09-01	9.580000000
1991-10-01	9.116000000
1991-11-01	8.620000000
1991-12-01	8.530000000
1992-01-01	8.130000000
1992-02-01	8.345000000
1992-03-01	8.630000000
1992-04-01	8.756000000
1992-05-01	8.637500000
1992-06-01	8.342500000
1992-07-01	7.920000000
1992-08-01	7.297500000
1992-09-01	7.410000000
1992-10-01	7.765000000
1992-11-01	7.732500000
1992-12-01	7.872000000
1993-01-01	7.930000000
1993-02-01	7.837500000
1993-03-01	7.436000000
1993-04-01	7.455000000
1993-05-01	7.562500000
1993-06-01	7.474000000
1993-07-01	7.245000000
1993-08-01	7.090000000
1993-09-01	6.822000000
1993-10-01	6.817500000
1993-11-01	6.817500000
1993-12-01	6.752000000
1994-01-01	6.517500000
1994-02-01	6.535000000
1994-03-01	7.246000000
1994-04-01	8.055000000
1994-05-01	8.287500000
1994-06-01	8.832000000
1994-07-01	9.105000000
1994-08-01	8.978000000
1994-09-01	8.900000000
1994-10-01	9.015000000
1994-11-01	9.152000000
1994-12-01	9.072500000
1995-01-01	9.349523810
1995-02-01	8.901500000
1995-03-01	8.642173913
1995-04-01	8.416842105
1995-05-01	8.060454545
1995-06-01	7.858181818
1995-07-01	8.076000000
1995-08-01	8.264090909
1995-09-01	7.928500000
1995-10-01	7.720952381
1995-11-01	7.473809524
1995-12-01	7.249473684
1996-01-01	7.091818182
1996-02-01	7.240476190
1996-03-01	7.621904762
1996-04-01	7.699523810
1996-05-01	7.768181818
1996-06-01	7.809500000
1996-07-01	7.711818182
1996-08-01	7.305714286
1996-09-01	7.338500000
1996-10-01	6.644545455
1996-11-01	6.135000000
1996-12-01	6.392000000
1997-01-01	6.632727273
1997-02-01	6.303500000
1997-03-01	6.539500000
1997-04-01	6.784545455
1997-05-01	6.573333333
1997-06-01	6.271428571
1997-07-01	5.963181818
1997-08-01	5.994500000
1997-09-01	5.876190476
1997-10-01	5.609090909
1997-11-01	5.503157895
1997-12-01	5.665714286
1998-01-01	5.360476190
1998-02-01	5.434000000
1998-03-01	5.427272727
1998-04-01	5.312380952
1998-05-01	5.387000000
1998-06-01	5.318636364
1998-07-01	5.347727273
1998-08-01	5.565000000
1998-09-01	5.246666667
1998-10-01	4.908095238
1998-11-01	5.169000000
1998-12-01	4.872380952
1999-01-01	4.946500000
1999-02-01	5.124000000
1999-03-01	5.220434783
1999-04-01	5.029523810
1999-05-01	5.359500000
1999-06-01	5.580909091
1999-07-01	5.490952381
1999-08-01	5.755714286
1999-09-01	5.721428571
1999-10-01	6.089500000
1999-11-01	6.034761905
1999-12-01	6.140000000
2000-01-01	6.491500000
2000-02-01	6.338571429
2000-03-01	6.028260870
2000-04-01	5.924210526
2000-05-01	6.215000000
2000-06-01	5.895454545
2000-07-01	5.863500000
2000-08-01	5.766363636
2000-09-01	5.729500000
2000-10-01	5.723333333
2000-11-01	5.727142857
2000-12-01	5.402105263
2001-01-01	5.418636364
2001-02-01	5.430000000
2001-03-01	5.301363636
2001-04-01	5.591500000
2001-05-01	5.851363636
2001-06-01	5.718095238
2001-07-01	5.800476190
2001-08-01	5.530909091
2001-09-01	5.302631579
2001-10-01	5.232727273
2001-11-01	5.177142857
2001-12-01	5.408421053
2002-01-01	5.343636364
2002-02-01	5.321000000
2002-03-01	5.667000000
2002-04-01	5.658636364
2002-05-01	5.595909091
2002-06-01	5.424000000
2002-07-01	5.290454545
2002-08-01	5.120476190
2002-09-01	4.885500000
2002-10-01	5.127272727
2002-11-01	5.089500000
2002-12-01	4.967500000
2003-01-01	4.961818182
2003-02-01	5.012000000
2003-03-01	4.997142857
2003-04-01	5.051904762
2003-05-01	4.671904762
2003-06-01	4.288095238
2003-07-01	4.683181818
2003-08-01	4.902000000
2003-09-01	4.757142857
2003-10-01	4.815454545
2003-11-01	4.856842105
2003-12-01	4.729047619
2004-01-01	4.586190476
2004-02-01	4.451500000
2004-03-01	4.260434783
2004-04-01	4.612857143
2004-05-01	4.773000000
2004-06-01	4.932727273
2004-07-01	4.750000000
2004-08-01	4.630952381
2004-09-01	4.602380952
2004-10-01	4.550000000
2004-11-01	4.484761905
2004-12-01	4.320476190
2005-01-01	4.260500000
2005-02-01	4.205000000
2005-03-01	4.358181818
2005-04-01	4.193809524
2005-05-01	4.073809524
2005-06-01	3.828181818
2005-07-01	3.899500000
2005-08-01	3.920454545
2005-09-01	3.868571429
2005-10-01	4.047000000
2005-11-01	4.107142857
2005-12-01	4.041000000
2006-01-01	4.029047619
2006-02-01	4.170000000
2006-03-01	4.199565217
2006-04-01	4.415789474
2006-05-01	4.399545455
2006-06-01	4.441363636
2006-07-01	4.444000000
2006-08-01	4.252727273
2006-09-01	4.068571429
2006-10-01	4.106666667
2006-11-01	3.999523810
2006-12-01	3.978235294
2007-01-01	4.121818182
2007-02-01	4.117500000
2007-03-01	4.045909091
2007-04-01	4.171500000
2007-05-01	4.292727273
2007-06-01	4.612857143
2007-07-01	4.590000000
2007-08-01	4.428636364
2007-09-01	4.356315789
2007-10-01	4.362727273
2007-11-01	4.121428571
2007-12-01	4.015789474
2008-01-01	3.848181818
2008-02-01	3.640000000
2008-03-01	3.509000000
2008-04-01	3.632500000
2008-05-01	3.624500000
2008-06-01	3.786470588
2008-07-01	3.751000000
2008-08-01	3.530000000
2008-09-01	3.646666667
2008-10-01	3.668181818
2008-11-01	3.571578947
2008-12-01	2.945714286
2009-01-01	2.812380952
2009-02-01	2.960526316
2009-03-01	2.885909091
2009-04-01	2.954285714
2009-05-01	3.202000000
2009-06-01	3.459090909
2009-07-01	3.429090909
2009-08-01	3.464500000
2009-09-01	3.365714286
2009-10-01	3.425238095
2009-11-01	3.392500000
2009-12-01	3.416190476
2010-01-01	3.485000000
2010-02-01	3.423684211
2010-03-01	3.490434783
2010-04-01	3.670000000
2010-05-01	3.445500000
2010-06-01	3.297727273
2010-07-01	3.185238095
2010-08-01	2.949523810
2010-09-01	2.881428571
2010-10-01	2.766000000
2010-11-01	3.022380952
2010-12-01	3.204761905
2011-01-01	3.253000000
2011-02-01	3.417368421
2011-03-01	3.266521739
2011-04-01	3.328000000
2011-05-01	3.151904762
2011-06-01	2.987727273
2011-07-01	2.938500000
2011-08-01	2.446363636
2011-09-01	2.196666667
2011-10-01	2.296000000
2011-11-01	2.122380952
2011-12-01	1.992000000
2012-01-01	1.980000000
2012-02-01	2.021000000
2012-03-01	2.106818182
2012-04-01	2.064500000
2012-05-01	1.922272727
2012-06-01	1.747619048
2012-07-01	1.656190476
2012-08-01	1.826818182
2012-09-01	1.837894737
2012-10-01	1.811818182
2012-11-01	1.738095238
2012-12-01	1.767894737
2013-01-01	1.931363636
2013-02-01	1.967894737
2013-03-01	1.851500000
2013-04-01	1.748636364
2013-05-01	1.901818182
2013-06-01	2.244500000
2013-07-01	2.438181818
2013-08-01	2.611428571
2013-09-01	2.698000000
2013-10-01	2.518181818
2013-11-01	2.558500000
2013-12-01	2.673500000
2014-01-01	2.534090909
2014-02-01	2.420000000
2014-03-01	2.454285714
2014-04-01	2.444761905
2014-05-01	2.315238095
2014-06-01	2.298571429
2014-07-01	2.194545455
2014-08-01	2.062000000
2014-09-01	2.180952381
2014-10-01	2.010454545
2014-11-01	2.003157895
2014-12-01	1.851904762
2015-01-01	1.525714286
2015-02-01	1.379473684
2015-03-01	1.421363636
2015-04-01	1.410952381
2015-05-01	1.744000000
2015-06-01	1.780000000
2015-07-01	1.569545455
2015-08-01	1.391500000
2015-09-01	1.481428571
2015-10-01	1.463333333
2015-11-01	1.633500000
2015-12-01	1.459523810
2016-01-01	1.258000000
2016-02-01	1.124500000
2016-03-01	1.268181818
2016-04-01	1.336190476
2016-05-01	1.350000000
2016-06-01	1.168181818
2016-07-01	1.051000000
2016-08-01	1.042727273
2016-09-01	1.086190476
2016-10-01	1.166500000
2016-11-01	1.437619048
2016-12-01	1.732000000
2017-01-01	1.722380952
2017-02-01	1.702105263
2017-03-01	1.714347826
2017-04-01	1.523157895
2017-05-01	1.513181818
2017-06-01	1.502727273
2017-07-01	1.908000000
2017-08-01	1.883636364
2017-09-01	2.049500000
2017-10-01	2.050952381
2017-11-01	1.918571429
2017-12-01	1.915263158
2018-01-01	2.198181818
2018-02-01	2.324210526
2018-03-01	2.188571429
2018-04-01	2.249047619
2018-05-01	2.375454545
2018-06-01	2.209047619
2018-07-01	2.187142857
2018-08-01	2.295454545
2018-09-01	2.353684211
2018-10-01	2.488636364