Month	Percent
1960-01-01	3.320000
1960-02-01	3.300000
1960-03-01	3.220000
1960-04-01	3.130000
1960-05-01	3.070000
1960-06-01	3.040000
1960-07-01	2.970000
1960-08-01	2.940000
1960-09-01	3.010000
1960-10-01	3.050000
1960-11-01	3.040000
1960-12-01	3.020000
1961-01-01	2.960000
1961-02-01	2.860000
1961-03-01	2.840000
1961-04-01	2.820000
1961-05-01	2.860000
1961-06-01	2.970000
1961-07-01	3.130000
1961-08-01	3.100000
1961-09-01	2.970000
1961-10-01	2.970000
1961-11-01	3.010000
1961-12-01	2.980000
1962-01-01	2.960000
1962-02-01	2.990000
1962-03-01	3.100000
1962-04-01	3.250000
1962-05-01	3.140000
1962-06-01	3.260000
1962-07-01	3.190000
1962-08-01	3.140000
1962-09-01	3.110000
1962-10-01	3.120000
1962-11-01	3.110000
1962-12-01	3.120000
1963-01-01	3.140000
1963-02-01	3.130000
1963-03-01	3.100000
1963-04-01	3.100000
1963-05-01	3.140000
1963-06-01	3.150000
1963-07-01	3.220000
1963-08-01	3.250000
1963-09-01	3.330000
1963-10-01	3.440000
1963-11-01	3.420000
1963-12-01	3.540000
1964-01-01	3.640000
1964-02-01	3.800000
1964-03-01	3.890000
1964-04-01	3.880000
1964-05-01	4.020000
1964-06-01	4.050000
1964-07-01	4.040000
1964-08-01	4.050000
1964-09-01	4.050000
1964-10-01	4.080000
1964-11-01	4.080000
1964-12-01	4.070000
1965-01-01	4.040000
1965-02-01	3.940000
1965-03-01	3.910000
1965-04-01	3.920000
1965-05-01	3.920000
1965-06-01	3.920000
1965-07-01	3.920000
1965-08-01	3.920000
1965-09-01	3.940000
1965-10-01	3.960000
1965-11-01	3.980000
1965-12-01	3.980000
1966-01-01	3.980000
1966-02-01	3.980000
1966-03-01	3.980000
1966-04-01	4.010000
1966-05-01	4.020000
1966-06-01	4.040000
1966-07-01	4.160000
1966-08-01	4.240000
1966-09-01	4.270000
1966-10-01	4.360000
1966-11-01	4.400000
1966-12-01	4.530000
1967-01-01	4.740000
1967-02-01	4.740000
1967-03-01	4.720000
1967-04-01	4.690000
1967-05-01	4.680000
1967-06-01	4.750000
1967-07-01	4.600000
1967-08-01	4.480000
1967-09-01	4.320000
1967-10-01	4.450000
1967-11-01	4.520000
1967-12-01	4.550000
1968-01-01	4.590000
1968-02-01	4.390000
1968-03-01	4.350000
1968-04-01	4.370000
1968-05-01	4.350000
1968-06-01	4.340000
1968-07-01	4.350000
1968-08-01	4.350000
1968-09-01	4.340000
1968-10-01	4.380000
1968-11-01	4.330000
1968-12-01	4.330000
1969-01-01	4.380000
1969-02-01	4.400000
1969-03-01	4.600000
1969-04-01	4.670000
1969-05-01	4.580000
1969-06-01	4.690000
1969-07-01	5.000000
1969-08-01	5.200000
1969-09-01	5.370000
1969-10-01	5.230000
1969-11-01	5.340000
1969-12-01	5.340000
1970-01-01	5.330000
1970-02-01	5.550000
1970-03-01	5.660000
1970-04-01	5.880000
1970-05-01	5.860000
1970-06-01	5.870000
1970-07-01	5.810000
1970-08-01	5.760000
1970-09-01	5.740000
1970-10-01	5.750000
1970-11-01	5.680000
1970-12-01	5.700000
1971-01-01	5.580000
1971-02-01	5.520000
1971-03-01	5.440000
1971-04-01	5.270000
1971-05-01	5.320000
1971-06-01	5.380000
1971-07-01	5.450000
1971-08-01	5.310000
1971-09-01	5.100000
1971-10-01	4.970000
1971-11-01	4.860000
1971-12-01	4.990000
1972-01-01	4.760000
1972-02-01	4.600000
1972-03-01	4.770000
1972-04-01	4.940000
1972-05-01	4.930000
1972-06-01	5.060000
1972-07-01	4.950000
1972-08-01	4.930000
1972-09-01	4.980000
1972-10-01	5.080000
1972-11-01	5.290000
1972-12-01	5.270000
1973-01-01	5.360000
1973-02-01	5.320000
1973-03-01	5.290000
1973-04-01	5.420000
1973-05-01	5.370000
1973-06-01	5.360000
1973-07-01	5.360000
1973-08-01	5.650000
1973-09-01	5.790000
1973-10-01	5.770000
1973-11-01	6.130000
1973-12-01	6.310000
1974-01-01	6.380000
1974-02-01	6.590000
1974-03-01	7.090000
1974-04-01	7.230000
1974-05-01	7.300000
1974-06-01	7.280000
1974-07-01	7.230000
1974-08-01	7.360000
1974-09-01	7.410000
1974-10-01	7.320000
1974-11-01	7.190000
1974-12-01	7.170000
1975-01-01	6.830000
1975-02-01	6.660000
1975-03-01	6.790000
1975-04-01	6.870000
1975-05-01	6.760000
1975-06-01	6.510000
1975-07-01	6.450000
1975-08-01	6.180000
1975-09-01	6.210000
1975-10-01	6.080000
1975-11-01	5.960000
1975-12-01	5.930000
1976-01-01	5.400000
1976-02-01	5.290000
1976-03-01	5.140000
1976-04-01	5.190000
1976-05-01	5.210000
1976-06-01	5.120000
1976-07-01	5.090000
1976-08-01	4.990000
1976-09-01	4.890000
1976-10-01	4.600000
1976-11-01	4.410000
1976-12-01	4.460000
1977-01-01	4.050000
1977-02-01	3.970000
1977-03-01	3.950000
1977-04-01	3.930000
1977-05-01	4.440000
1977-06-01	4.490000
1977-07-01	4.220000
1977-08-01	4.080000
1977-09-01	3.940000
1977-10-01	3.850000
1977-11-01	3.840000
1977-12-01	3.780000
1978-01-01	3.650000
1978-02-01	3.450000
1978-03-01	3.490000
1978-04-01	3.400000
1978-05-01	3.480000
1978-06-01	3.390000
1978-07-01	3.370000
1978-08-01	3.310000
1978-09-01	3.250000
1978-10-01	3.070000
1978-11-01	3.030000
1978-12-01	3.030000
1979-01-01	3.110000
1979-02-01	3.080000
1979-03-01	3.220000
1979-04-01	3.210000
1979-05-01	3.180000
1979-06-01	3.450000
1979-07-01	3.490000
1979-08-01	3.510000
1979-09-01	3.500000
1979-10-01	3.600000
1979-11-01	4.040000
1979-12-01	4.040000
1980-01-01	4.480000
1980-02-01	4.720000
1980-03-01	5.100000
1980-04-01	4.970000
1980-05-01	4.820000
1980-06-01	4.720000
1980-07-01	4.600000
1980-08-01	4.870000
1980-09-01	4.870000
1980-10-01	4.690000
1980-11-01	4.680000
1980-12-01	4.630000
1981-01-01	4.790000
1981-02-01	5.200000
1981-03-01	5.470000
1981-04-01	5.480000
1981-05-01	5.850000
1981-06-01	5.620000
1981-07-01	5.510000
1981-08-01	5.840000
1981-09-01	6.130000
1981-10-01	5.990000
1981-11-01	5.570000
1981-12-01	5.390000
1982-01-01	5.350000
1982-02-01	5.490000
1982-03-01	4.960000
1982-04-01	4.840000
1982-05-01	4.770000
1982-06-01	5.050000
1982-07-01	4.730000
1982-08-01	4.350000
1982-09-01	4.080000
1982-10-01	3.900000
1982-11-01	3.870000
1982-12-01	3.790000
1983-01-01	3.860000
1983-02-01	3.860000
1983-03-01	4.140000
1983-04-01	4.060000
1983-05-01	4.180000
1983-06-01	4.280000
1983-07-01	4.200000
1983-08-01	4.450000
1983-09-01	4.390000
1983-10-01	4.260000
1983-11-01	4.250000
1983-12-01	4.160000
1984-01-01	4.310000
1984-02-01	4.390000
1984-03-01	4.377000
1984-04-01	4.471000
1984-05-01	4.635000
1984-06-01	4.529000
1984-07-01	4.660000
1984-08-01	4.618000
1984-09-01	4.680000
1984-10-01	4.740000
1984-11-01	4.622000
1984-12-01	4.603000
1985-01-01	4.706000
1985-02-01	4.930000
1985-03-01	4.866000
1985-04-01	4.761000
1985-05-01	4.737000
1985-06-01	4.776000
1985-07-01	4.779000
1985-08-01	4.686000
1985-09-01	4.650000
1985-10-01	4.575000
1985-11-01	4.514000
1985-12-01	4.421000
1986-01-01	4.414000
1986-02-01	4.258000
1986-03-01	4.173000
1986-04-01	4.261000
1986-05-01	4.396000
1986-06-01	4.426000
1986-07-01	4.317000
1986-08-01	4.117000
1986-09-01	4.180000
1986-10-01	4.078000
1986-11-01	4.088000
1986-12-01	4.051000
1987-01-01	3.930000
1987-02-01	4.006000
1987-03-01	4.037000
1987-04-01	4.035000
1987-05-01	4.069000
1987-06-01	4.015000
1987-07-01	3.981000
1987-08-01	4.059000
1987-09-01	4.328000
1987-10-01	4.121000
1987-11-01	3.860000
1987-12-01	3.952000
1988-01-01	3.943000
1988-02-01	3.928000
1988-03-01	3.924000
1988-04-01	3.772000
1988-05-01	3.981000
1988-06-01	4.013000
1988-07-01	4.189000
1988-08-01	4.181000
1988-09-01	4.102000
1988-10-01	3.982000
1988-11-01	4.110000
1988-12-01	4.112000
1989-01-01	4.581000
1989-02-01	4.792000
1989-03-01	4.880000
1989-04-01	5.108000
1989-05-01	5.357000
1989-06-01	5.121000
1989-07-01	5.179000
1989-08-01	5.276000
1989-09-01	5.398000
1989-10-01	5.414000
1989-11-01	5.514000
1989-12-01	5.748000
1990-01-01	6.165000
1990-02-01	6.452000
1990-03-01	6.584000
1990-04-01	6.691000
1990-05-01	6.319000
1990-06-01	6.166000
1990-07-01	6.079000
1990-08-01	6.583000
1990-09-01	6.544000
1990-10-01	6.527000
1990-11-01	6.607000
1990-12-01	6.676000
1991-01-01	6.429512
1991-02-01	6.259196
1991-03-01	6.149453
1991-04-01	6.062965
1991-05-01	5.793477
1991-06-01	5.975621
1991-07-01	6.025197
1991-08-01	6.170845
1991-09-01	6.243027
1991-10-01	6.763309
1991-11-01	6.648876
1991-12-01	6.354408
1992-01-01	6.196381
1992-02-01	6.157865
1992-03-01	6.569022
1992-04-01	6.575747
1992-05-01	6.884722
1992-06-01	6.977725
1992-07-01	6.958719
1992-08-01	6.875874
1992-09-01	6.303462
1992-10-01	5.875070
1992-11-01	5.930874
1992-12-01	5.475500
1993-01-01	5.369981
1993-02-01	4.932656
1993-03-01	4.671634
1993-04-01	4.795454
1993-05-01	4.701289
1993-06-01	4.544234
1993-07-01	4.487945
1993-08-01	4.445062
1993-09-01	4.349373
1993-10-01	4.135904
1993-11-01	4.141039
1993-12-01	4.053852
1994-01-01	4.081263
1994-02-01	4.338178
1994-03-01	4.501833
1994-04-01	4.759236
1994-05-01	4.823728
1994-06-01	5.142416
1994-07-01	5.075263
1994-08-01	5.349800
1994-09-01	5.473846
1994-10-01	5.461267
1994-11-01	5.271116
1994-12-01	5.225390
1995-01-01	5.279278
1995-02-01	5.226172
1995-03-01	5.044002
1995-04-01	4.806321
1995-05-01	4.660052
1995-06-01	4.693461
1995-07-01	4.572577
1995-08-01	4.458735
1995-09-01	4.188054
1995-10-01	3.957297
1995-11-01	3.642102
1995-12-01	3.729394
1996-01-01	4.123271
1996-02-01	4.074162
1996-03-01	4.043052
1996-04-01	3.940035
1996-05-01	4.333988
1996-06-01	4.305989
1996-07-01	4.200471
1996-08-01	4.051986
1996-09-01	3.815232
1996-10-01	3.710277
1996-11-01	3.746880
1996-12-01	3.630954
1997-01-01	3.691208
1997-02-01	3.251920
1997-03-01	3.564477
1997-04-01	3.432463
1997-05-01	3.258882
1997-06-01	3.177785
1997-07-01	3.241436
1997-08-01	3.354877
1997-09-01	3.387237
1997-10-01	3.443554
1997-11-01	3.389094
1997-12-01	3.084358
1998-01-01	3.084000
1998-02-01	2.964000
1998-03-01	3.109000
1998-04-01	3.344000
1998-05-01	3.179000
1998-06-01	3.308000
1998-07-01	3.190000
1998-08-01	2.988000
1998-09-01	3.086000
1998-10-01	2.914000
1998-11-01	2.659000
1998-12-01	2.710000
1999-01-01	2.555000
1999-02-01	2.550000
1999-03-01	2.604000
1999-04-01	2.534000
1999-05-01	2.720000
1999-06-01	2.937000
1999-07-01	3.044000
1999-08-01	3.169000
1999-09-01	3.427000
1999-10-01	3.625000
1999-11-01	3.690000
1999-12-01	3.617000
2000-01-01	3.784000
2000-02-01	3.868000
2000-03-01	4.155000
2000-04-01	4.076000
2000-05-01	4.190000
2000-06-01	4.008000
2000-07-01	3.976000
2000-08-01	3.840000
2000-09-01	3.954000
2000-10-01	3.927000
2000-11-01	3.771000
2000-12-01	3.552000
2001-01-01	3.497000
2001-02-01	3.492000
2001-03-01	3.327000
2001-04-01	3.529000
2001-05-01	3.556000
2001-06-01	3.383000
2001-07-01	3.357000
2001-08-01	3.317000
2001-09-01	3.302000
2001-10-01	3.005000
2001-11-01	3.261000
2001-12-01	3.555000
2002-01-01	3.590000
2002-02-01	3.610000
2002-03-01	3.636000
2002-04-01	3.528000
2002-05-01	3.465000
2002-06-01	3.299000
2002-07-01	3.248000
2002-08-01	3.192000
2002-09-01	2.761000
2002-10-01	2.863000
2002-11-01	2.799000
2002-12-01	2.396000
2003-01-01	2.396000
2003-02-01	2.375000
2003-03-01	2.537000
2003-04-01	2.659000
2003-05-01	2.358000
2003-06-01	2.607000
2003-07-01	2.666000
2003-08-01	2.875000
2003-09-01	2.777000
2003-10-01	2.882000
2003-11-01	2.993000
2003-12-01	2.780000
2004-01-01	2.852000
2004-02-01	2.681000
2004-03-01	2.632000
2004-04-01	2.809000
2004-05-01	2.888000
2004-06-01	3.040000
2004-07-01	2.957000
2004-08-01	2.825000
2004-09-01	2.750000
2004-10-01	2.623000
2004-11-01	2.443000
2004-12-01	2.382000
2005-01-01	2.249000
2005-02-01	2.381000
2005-03-01	2.355000
2005-04-01	2.074000
2005-05-01	2.014000
2005-06-01	1.999000
2005-07-01	1.955000
2005-08-01	1.928000
2005-09-01	1.950000
2005-10-01	2.097000
2005-11-01	2.184000
2005-12-01	1.960000
2006-01-01	2.153000
2006-02-01	2.252000
2006-03-01	2.517000
2006-04-01	2.752000
2006-05-01	2.700000
2006-06-01	2.848000
2006-07-01	2.742000
2006-08-01	2.547000
2006-09-01	2.369000
2006-10-01	2.495000
2006-11-01	2.341000
2006-12-01	2.489000
2007-01-01	2.619000
2007-02-01	2.556000
2007-03-01	2.702000
2007-04-01	2.801000
2007-05-01	3.032000
2007-06-01	3.194000
2007-07-01	3.108000
2007-08-01	3.049000
2007-09-01	3.056000
2007-10-01	2.987000
2007-11-01	2.906000
2007-12-01	3.111000
2008-01-01	2.939000
2008-02-01	3.059000
2008-03-01	3.033000
2008-04-01	3.242000
2008-05-01	3.284000
2008-06-01	3.290000
2008-07-01	3.166000
2008-08-01	2.942000
2008-09-01	2.669000
2008-10-01	2.764000
2008-11-01	2.226000
2008-12-01	2.148000
2009-01-01	2.221000
2009-02-01	2.174000
2009-03-01	2.175000
2009-04-01	2.196000
2009-05-01	2.536000
2009-06-01	2.478000
2009-07-01	2.192000
2009-08-01	2.124000
2009-09-01	2.155000
2009-10-01	2.207000
2009-11-01	2.002000
2009-12-01	1.972000
2010-01-01	2.010000
2010-02-01	1.930000
2010-03-01	1.940000
2010-04-01	1.870000
2010-05-01	1.570000
2010-06-01	1.510000
2010-07-01	1.500000
2010-08-01	1.190000
2010-09-01	1.370000
2010-10-01	1.460000
2010-11-01	1.560000
2010-12-01	1.670000
2011-01-01	1.820000
2011-02-01	1.900000
2011-03-01	1.930000
2011-04-01	2.080000
2011-05-01	1.850000
2011-06-01	1.740000
2011-07-01	1.440000
2011-08-01	1.130000
2011-09-01	1.000000
2011-10-01	1.080000
2011-11-01	0.950000
2011-12-01	0.740000
2012-01-01	0.740000
2012-02-01	0.720000
2012-03-01	0.850000
2012-04-01	0.740000
2012-05-01	0.610000
2012-06-01	0.680000
2012-07-01	0.560000
2012-08-01	0.570000
2012-09-01	0.600000
2012-10-01	0.600000
2012-11-01	0.530000
2012-12-01	0.560000
2013-01-01	0.790000
2013-02-01	0.720000
2013-03-01	0.750000
2013-04-01	0.610000
2013-05-01	0.760000
2013-06-01	1.060000
2013-07-01	1.100000
2013-08-01	1.140000
2013-09-01	1.110000
2013-10-01	1.070000
2013-11-01	1.030000
2013-12-01	1.250000
2014-01-01	0.980000
2014-02-01	0.950000
2014-03-01	0.950000
2014-04-01	0.860000
2014-05-01	0.770000
2014-06-01	0.710000
2014-07-01	0.620000
2014-08-01	0.530000
2014-09-01	0.590000
2014-10-01	0.560000
2014-11-01	0.410000
2014-12-01	0.380000
2015-01-01	-0.070000
2015-02-01	0.010000
2015-03-01	0.000000
2015-04-01	0.040000
2015-05-01	-0.030000
2015-06-01	0.100000
2015-07-01	-0.040000
2015-08-01	-0.120000
2015-09-01	-0.100000
2015-10-01	-0.270000
2015-11-01	-0.310000
2015-12-01	-0.040000
2016-01-01	-0.299000
2016-02-01	-0.453000
2016-03-01	-0.387000
2016-04-01	-0.245000
2016-05-01	-0.298000
2016-06-01	-0.508000
2016-07-01	-0.543000
2016-08-01	-0.462000
2016-09-01	-0.522000
2016-10-01	-0.362000
2016-11-01	-0.130000
2016-12-01	-0.135000
2017-01-01	-0.072000
2017-02-01	-0.213000
2017-03-01	-0.100000
2017-04-01	-0.096000
2017-05-01	-0.145000
2017-06-01	-0.025000
2017-07-01	0.060000
2017-08-01	-0.114000
2017-09-01	0.017000
2017-10-01	-0.029000
2017-11-01	-0.053000
2017-12-01	-0.095000
2018-01-01	0.103000
2018-02-01	0.116000
2018-03-01	0.054000
2018-04-01	0.120000
2018-05-01	-0.008000
2018-06-01	-0.012000
2018-07-01	0.042000
2018-08-01	-0.032000
2018-09-01	0.113000
2018-10-01	0.070000