Month	Percent
1973-01-01	1.13000
1973-02-01	1.28000
1973-03-01	1.46000
1973-04-01	1.32000
1973-05-01	1.19000
1973-06-01	0.73000
1973-07-01	0.21000
1973-08-01	0.01000
1973-09-01	-0.59000
1973-10-01	-0.38000
1973-11-01	-0.02000
1973-12-01	1.30000
1974-01-01	-0.21000
1974-02-01	-1.97000
1974-03-01	-1.27000
1974-04-01	-0.81000
1974-05-01	-1.49000
1974-06-01	-1.70000
1974-07-01	-1.81000
1974-08-01	-2.23000
1974-09-01	-1.28000
1974-10-01	-1.35000
1974-11-01	-1.62000
1974-12-01	-2.24000
1975-01-01	-2.37000
1975-02-01	-4.48000
1975-03-01	-3.93000
1975-04-01	-3.17000
1975-05-01	-3.04000
1975-06-01	-2.73000
1975-07-01	-2.25000
1975-08-01	-1.92000
1975-09-01	-0.65000
1975-10-01	0.09000
1975-11-01	0.57000
1975-12-01	0.40000
1976-01-01	0.77000
1976-02-01	0.94000
1976-03-01	1.07000
1976-04-01	1.71000
1976-05-01	1.86000
1976-06-01	1.66000
1976-07-01	1.34000
1976-08-01	1.20000
1976-09-01	1.51000
1976-10-01	1.57000
1976-11-01	1.17000
1976-12-01	0.90000
1977-01-01	1.10000
1977-02-01	1.01000
1977-03-01	1.14000
1977-04-01	1.47000
1977-05-01	1.94000
1977-06-01	1.42000
1977-07-01	0.56000
1977-08-01	0.67000
1977-09-01	1.62000
1977-10-01	1.45000
1977-11-01	1.03000
1977-12-01	0.85000
1978-01-01	1.26000
1978-02-01	1.34000
1978-03-01	2.08000
1978-04-01	2.11000
1978-05-01	2.09000
1978-06-01	1.87000
1978-07-01	1.87000
1978-08-01	2.04000
1978-09-01	2.21000
1978-10-01	2.18000
1978-11-01	1.79000
1978-12-01	1.90000
1979-01-01	2.08000
1979-02-01	2.26000
1979-03-01	2.42000
1979-04-01	2.23000
1979-05-01	2.16000
1979-06-01	2.59000
1979-07-01	1.73000
1979-08-01	1.12000
1979-09-01	1.03000
1979-10-01	1.35000
1979-11-01	0.98000
1979-12-01	0.39000
1980-01-01	0.12000
1980-02-01	-0.30000
1980-03-01	-2.51000
1980-04-01	-3.19000
1980-05-01	-3.60000
1980-06-01	-3.13000
1980-07-01	-2.57000
1980-08-01	-2.54000
1980-09-01	-1.99000
1980-10-01	-1.83000
1980-11-01	-0.46000
1980-12-01	-0.37000
1981-01-01	0.00000
1981-02-01	0.22000
1981-03-01	0.68000
1981-04-01	1.07000
1981-05-01	1.30000
1981-06-01	1.32000
1981-07-01	1.05000
1981-08-01	1.12000
1981-09-01	1.26000
1981-10-01	1.30000
1981-11-01	0.99000
1981-12-01	1.29000
1982-01-01	1.46000
1982-02-01	1.36000
1982-03-01	1.04000
1982-04-01	0.80000
1982-05-01	0.65000
1982-06-01	1.16000
1982-07-01	0.97000
1982-08-01	0.94000
1982-09-01	1.01000
1982-10-01	1.22000
1982-11-01	1.17000
1982-12-01	0.67000
1983-01-01	0.89000
1983-02-01	0.81000
1983-03-01	0.78000
1983-04-01	1.00000
1983-05-01	1.04000
1983-06-01	1.00000
1983-07-01	0.81000
1983-08-01	0.88000
1983-09-01	0.61000
1983-10-01	0.68000
1983-11-01	0.89000
1983-12-01	0.62000
1984-01-01	0.74000
1984-02-01	0.61000
1984-03-01	0.48000
1984-04-01	0.55000
1984-05-01	0.86000
1984-06-01	0.80000
1984-07-01	0.78000
1984-08-01	0.67000
1984-09-01	0.72000
1984-10-01	0.56000
1984-11-01	0.35000
1984-12-01	0.36000
1985-01-01	0.35000
1985-02-01	0.71000
1985-03-01	0.64000
1985-04-01	0.58000
1985-05-01	0.53000
1985-06-01	0.41000
1985-07-01	0.28000
1985-08-01	0.09000
1985-09-01	0.05000
1985-10-01	-0.24000
1985-11-01	-0.69000
1985-12-01	-0.93000
1986-01-01	-0.90000
1986-02-01	-0.69000
1986-03-01	-1.05000
1986-04-01	-0.33000
1986-05-01	0.25000
1986-06-01	0.06000
1986-07-01	0.53000
1986-08-01	0.34000
1986-09-01	0.86000
1986-10-01	0.75000
1986-11-01	0.83000
1986-12-01	0.90000
1987-01-01	0.79000
1987-02-01	0.62000
1987-03-01	0.14000
1987-04-01	-0.09000
1987-05-01	0.04000
1987-06-01	0.74000
1987-07-01	1.41000
1987-08-01	1.67000
1987-09-01	2.58000
1987-10-01	0.59000
1987-11-01	0.91000
1987-12-01	0.59000
1988-01-01	-0.20000
1988-02-01	0.20000
1988-03-01	0.33000
1988-04-01	0.60000
1988-05-01	0.92000
1988-06-01	1.16000
1988-07-01	0.80000
1988-08-01	1.09000
1988-09-01	0.18000
1988-10-01	0.01000
1988-11-01	0.16000
1988-12-01	0.12000
1989-01-01	0.32000
1989-02-01	0.52000
1989-03-01	0.48000
1989-04-01	0.61000
1989-05-01	0.10000
1989-06-01	0.09000
1989-07-01	-0.55000
1989-08-01	-0.35000
1989-09-01	-0.52000
1989-10-01	-0.64000
1989-11-01	-1.17000
1989-12-01	-0.96000
1990-01-01	-0.29000
1990-02-01	-0.32000
1990-03-01	-0.33000
1990-04-01	-0.57000
1990-05-01	-1.02000
1990-06-01	-0.65000
1990-07-01	-0.49000
1990-08-01	-0.19000
1990-09-01	-0.04000
1990-10-01	-0.87000
1990-11-01	-1.47000
1990-12-01	-1.88000
1991-01-01	-1.73000
1991-02-01	-1.78000
1991-03-01	-1.37000
1991-04-01	-1.35000
1991-05-01	-1.12000
1991-06-01	-1.17000
1991-07-01	-0.94000
1991-08-01	-0.99000
1991-09-01	-0.58000
1991-10-01	-0.38000
1991-11-01	-0.28000
1991-12-01	-0.05000
1992-01-01	0.32000
1992-02-01	0.29000
1992-03-01	0.65000
1992-04-01	1.12000
1992-05-01	0.95000
1992-06-01	0.97000
1992-07-01	1.17000
1992-08-01	1.14000
1992-09-01	0.97000
1992-10-01	1.08000
1992-11-01	1.01000
1992-12-01	0.97000
1993-01-01	1.06000
1993-02-01	0.77000
1993-03-01	1.28000
1993-04-01	1.50000
1993-05-01	1.64000
1993-06-01	1.39000
1993-07-01	1.14000
1993-08-01	1.41000
1993-09-01	1.36000
1993-10-01	1.36000
1993-11-01	1.24000
1993-12-01	1.20000
1994-01-01	1.72000
1994-02-01	1.89000
1994-03-01	1.94000
1994-04-01	1.86000
1994-05-01	1.78000
1994-06-01	2.15000
1994-07-01	2.28000
1994-08-01	2.57000
1994-09-01	2.29000
1994-10-01	2.35000
1994-11-01	2.25000
1994-12-01	2.14000
1995-01-01	2.32000
1995-02-01	2.08000
1995-03-01	1.78000
1995-04-01	2.05000
1995-05-01	1.69000
1995-06-01	1.60000
1995-07-01	2.21000
1995-08-01	2.40000
1995-09-01	2.30000
1995-10-01	2.29000
1995-11-01	2.29000
1995-12-01	2.57000
1996-01-01	2.63000
1996-02-01	2.63000
1996-03-01	2.56000
1996-04-01	2.74000
1996-05-01	2.63000
1996-06-01	2.57000
1996-07-01	2.53000
1996-08-01	2.40000
1996-09-01	2.31000
1996-10-01	2.05000
1996-11-01	2.01000
1996-12-01	2.20000
1997-01-01	1.98000
1997-02-01	2.01000
1997-03-01	1.83000
1997-04-01	1.96000
1997-05-01	2.14000
1997-06-01	1.89000
1997-07-01	1.71000
1997-08-01	1.63000
1997-09-01	1.55000
1997-10-01	1.29000
1997-11-01	1.22000
1997-12-01	0.76000
1998-01-01	0.95000
1998-02-01	0.82000
1998-03-01	1.15000
1998-04-01	1.06000
1998-05-01	0.85000
1998-06-01	0.77000
1998-07-01	0.77000
1998-08-01	0.53000
1998-09-01	0.14000
1998-10-01	0.13000
1998-11-01	0.39000
1998-12-01	1.22000
1999-01-01	1.39000
1999-02-01	1.55000
1999-03-01	1.56000
1999-04-01	1.26000
1999-05-01	1.38000
1999-06-01	1.70000
1999-07-01	1.66000
1999-08-01	1.80000
1999-09-01	1.43000
1999-10-01	1.48000
1999-11-01	1.45000
1999-12-01	1.45000
2000-01-01	1.58000
2000-02-01	1.71000
2000-03-01	1.63000
2000-04-01	1.64000
2000-05-01	1.55000
2000-06-01	1.53000
2000-07-01	1.46000
2000-08-01	1.49000
2000-09-01	1.30000
2000-10-01	1.28000
2000-11-01	1.03000
2000-12-01	1.06000
2001-01-01	0.99000
2001-02-01	0.98000
2001-03-01	1.17000
2001-04-01	1.20000
2001-05-01	1.16000
2001-06-01	1.10000
2001-07-01	1.25000
2001-08-01	1.31000
2001-09-01	1.34000
2001-10-01	1.24000
2001-11-01	1.28000
2001-12-01	1.27000
2002-01-01	1.38000
2002-02-01	1.39000
2002-03-01	1.28000
2002-04-01	1.29400
2002-05-01	1.28500
2002-06-01	1.23800
2002-07-01	1.20600
2002-08-01	1.18500
2002-09-01	1.04900
2002-10-01	1.01500
2002-11-01	0.89900
2002-12-01	0.87500
2003-01-01	0.73600
2003-02-01	0.73800
2003-03-01	0.64400
2003-04-01	0.58300
2003-05-01	0.49700
2003-06-01	0.43900
2003-07-01	0.86600
2003-08-01	1.31600
2003-09-01	1.33000
2003-10-01	1.34700
2003-11-01	1.25300
2003-12-01	1.23000
2004-01-01	1.24000
2004-02-01	1.12100
2004-03-01	1.33800
2004-04-01	1.44000
2004-05-01	1.42500
2004-06-01	1.71700
2004-07-01	1.71800
2004-08-01	1.49800
2004-09-01	1.30300
2004-10-01	1.39300
2004-11-01	1.36200
2004-12-01	1.29700
2005-01-01	1.21000
2005-02-01	1.31900
2005-03-01	1.24500
2005-04-01	1.17700
2005-05-01	1.15800
2005-06-01	1.05300
2005-07-01	1.20500
2005-08-01	1.27500
2005-09-01	1.36000
2005-10-01	1.42300
2005-11-01	1.36400
2005-12-01	1.38800
2006-01-01	1.44340
2006-02-01	1.48800
2006-03-01	1.63350
2006-04-01	1.81600
2006-05-01	1.57900
2006-06-01	1.55100
2006-07-01	1.48700
2006-08-01	1.23600
2006-09-01	1.19200
2006-10-01	1.27100
2006-11-01	1.18800
2006-12-01	1.10500
2007-01-01	1.16500
2007-02-01	0.98000
2007-03-01	0.96900
2007-04-01	1.00300
2007-05-01	1.06300
2007-06-01	1.17300
2007-07-01	1.03900
2007-08-01	0.73700
2007-09-01	0.84800
2007-10-01	0.76600
2007-11-01	0.62700
2007-12-01	0.66600
2008-01-01	0.57900
2008-02-01	0.57900
2008-03-01	0.40500
2008-04-01	0.76000
2008-05-01	0.93800
2008-06-01	0.74100
2008-07-01	0.68700
2008-08-01	0.58100
2008-09-01	0.61100
2008-10-01	0.59600
2008-11-01	0.49700
2008-12-01	0.47400
2009-01-01	0.55200
2009-02-01	0.56700
2009-03-01	0.67300
2009-04-01	0.80200
2009-05-01	0.91100
2009-06-01	0.80300
2009-07-01	0.83600
2009-08-01	0.77400
2009-09-01	0.71800
2009-10-01	0.87400
2009-11-01	0.74300
2009-12-01	0.81200
2010-01-01	0.85800
2010-02-01	0.85500
2010-03-01	0.93100
2010-04-01	0.88600
2010-05-01	0.86700
2010-06-01	0.70000
2010-07-01	0.70500
2010-08-01	0.66300
2010-09-01	0.53800
2010-10-01	0.56300
2010-11-01	0.82100
2010-12-01	0.79300
2011-01-01	0.87300
2011-02-01	0.90100
2011-03-01	0.87785
2011-04-01	0.88214
2011-05-01	0.78586
2011-06-01	0.75186
2011-07-01	0.74286
2011-08-01	0.69443
2011-09-01	0.64571
2011-10-01	0.70871
2011-11-01	0.73271
2011-12-01	0.64171
2012-01-01	0.62823
2012-02-01	0.63033
2012-03-01	0.63433
2012-04-01	0.58233
2012-05-01	0.51433
2012-06-01	0.45445
2012-07-01	0.45273
2012-08-01	0.47273
2012-09-01	0.42973
2012-10-01	0.43364
2012-11-01	0.39482
2012-12-01	0.47282
2013-01-01	0.48318
2013-02-01	0.39991
2013-03-01	0.24200
2013-04-01	0.36082
2013-05-01	0.65082
2013-06-01	0.59382
2013-07-01	0.56200
2013-08-01	0.48000
2013-09-01	0.44100
2013-10-01	0.36900
2013-11-01	0.38500
2013-12-01	0.46800
2014-01-01	0.39400
2014-02-01	0.37400
2014-03-01	0.39300
2014-04-01	0.39800
2014-05-01	0.35600
2014-06-01	0.32600
2014-07-01	0.31700
2014-08-01	0.27800
2014-09-01	0.28700
2014-10-01	0.27300
2014-11-01	0.23800
2014-12-01	0.15100
2015-01-01	0.10200
2015-02-01	0.15900
2015-03-01	0.23000
2015-04-01	0.17000
2015-05-01	0.22100
2015-06-01	0.28600
2015-07-01	0.24100
2015-08-01	0.21100
2015-09-01	0.18100
2015-10-01	0.13100
2015-11-01	0.13100
2015-12-01	0.10100
2016-01-01	-0.07400
2016-02-01	-0.16300
2016-03-01	-0.14800
2016-04-01	-0.14500
2016-05-01	-0.18000
2016-06-01	-0.28900
2016-07-01	-0.25300
2016-08-01	-0.12800
2016-09-01	-0.14100
2016-10-01	-0.10600
2016-11-01	-0.03600
2016-12-01	-0.01600
2017-01-01	0.02900
2017-02-01	-0.00600
2017-03-01	0.00900
2017-04-01	-0.04100
2017-05-01	-0.01600
2017-06-01	0.01900
2017-07-01	0.00000
2017-08-01	-0.04600
2017-09-01	0.00400
2017-10-01	0.00200
2017-11-01	-0.02800
2017-12-01	-0.01800
2018-01-01	0.01200
2018-02-01	-0.02300
2018-03-01	-0.05200
2018-04-01	-0.04700
2018-05-01	-0.04800
2018-06-01	-0.04800
2018-07-01	-0.03100
2018-08-01	0.01900
2018-09-01	0.07500