Month	Percent
1981-01-01	5.99000000000000000
1981-02-01	5.37000000000000000
1981-03-01	5.21000000000000000
1981-04-01	4.95000000000000000
1981-05-01	4.51000000000000000
1981-06-01	3.83000000000000000
1981-07-01	2.65000000000000000
1981-08-01	1.83000000000000000
1981-09-01	1.92000000000000000
1981-10-01	1.70000000000000000
1981-11-01	1.08000000000000000
1981-12-01	0.13000000000000100
1982-01-01	-0.34000000000000000
1982-02-01	-0.98000000000000000
1982-03-01	-1.49000000000000000
1982-04-01	-1.51000000000000000
1982-05-01	-1.72000000000000000
1982-06-01	-1.58000000000000000
1982-07-01	-1.73000000000000000
1982-08-01	-2.15000000000000000
1982-09-01	-3.57000000000000000
1982-10-01	-3.56000000000000000
1982-11-01	-3.10000000000000000
1982-12-01	-3.13000000000000000
1983-01-01	-2.54000000000000000
1983-02-01	0.67000000000000000
1983-03-01	2.47000000000000000
1983-04-01	0.77999999999999900
1983-05-01	1.00000000000000000
1983-06-01	0.56999999999999800
1983-07-01	-0.51000000000000200
1983-08-01	-1.79000000000000000
1983-09-01	-1.82000000000000000
1983-10-01	-1.86000000000000000
1983-11-01	-1.99000000000000000
1983-12-01	-3.69000000000000000
1984-01-01	-3.55000000000000000
1984-02-01	-3.88000000000000000
1984-03-01	-3.96000000000000000
1984-04-01	-3.32000000000000000
1984-05-01	-2.95000000000000000
1984-06-01	-2.89000000000000000
1984-07-01	-3.02000000000000000
1984-08-01	-5.50000000000000000
1984-09-01	-5.17000000000000000
1984-10-01	-5.30000000000000000
1984-11-01	-4.97000000000000000
1984-12-01	-4.45000000000000000
1985-01-01	-5.01000000000000000
1985-02-01	-4.48000000000000000
1985-03-01	-4.47000000000000000
1985-04-01	-4.46000000000000000
1985-05-01	-3.51000000000000000
1985-06-01	-1.94000000000000000
1985-07-01	-1.23000000000000000
1985-08-01	-0.58000000000000200
1985-09-01	1.53000000000000000
1985-10-01	3.00000000000000000
1985-11-01	4.92000000000000000
1985-12-01	5.08000000000000000
1986-01-01	5.34000000000000000
1986-02-01	5.13000000000000000
1986-03-01	5.29000000000000000
1986-04-01	5.89000000000000000
1986-05-01	6.10000000000000000
1986-06-01	6.49000000000000000
1986-07-01	5.74000000000000000
1986-08-01	4.95000000000000000
1986-09-01	5.31000000000000000
1986-10-01	6.48000000000000000
1986-11-01	6.66000000000000000
1986-12-01	6.80000000000000000
1987-01-01	6.24000000000000000
1987-02-01	6.55000000000000000
1987-03-01	6.31000000000000000
1987-04-01	6.54000000000000000
1987-05-01	6.75000000000000000
1987-06-01	6.90000000000000000
1987-07-01	6.67000000000000000
1987-08-01	6.37000000000000000
1987-09-01	6.41000000000000000
1987-10-01	6.50000000000000000
1987-11-01	6.59000000000000000
1987-12-01	6.31000000000000000
1988-01-01	6.66000000000000000
1988-02-01	6.71000000000000000
1988-03-01	6.13000000000000000
1988-04-01	5.58000000000000000
1988-05-01	4.60000000000000000
1988-06-01	4.13000000000000000
1988-07-01	3.92000000000000000
1988-08-01	3.30000000000000000
1988-09-01	2.76000000000000000
1988-10-01	2.77000000000000000
1988-11-01	1.81000000000000000
1988-12-01	1.18000000000000000
1989-01-01	1.35000000000000000
1989-02-01	1.24000000000000000
1989-03-01	0.66000000000000000
1989-04-01	0.77999999999999800
1989-05-01	0.20999999999999700
1989-06-01	-0.07000000000000030
1989-07-01	-0.00999999999999801
1989-08-01	-0.12000000000000100
1989-09-01	-0.37000000000000100
1989-10-01	-0.84000000000000000
1989-11-01	-1.08000000000000000
1989-12-01	-2.15000000000000000
1990-01-01	-2.51000000000000000
1990-02-01	-2.39000000000000000
1990-03-01	-2.30000000000000000
1990-04-01	-1.83000000000000000
1990-05-01	-1.83400000000000000
1990-06-01	-1.31000000000000000
1990-07-01	-1.44200000000000000
1990-08-01	-1.41100000000000000
1990-09-01	-1.12300000000000000
1990-10-01	-0.98000000000000000
1990-11-01	-1.28000000000000000
1990-12-01	-1.45000000000000000
1991-01-01	-1.30000000000000000
1991-02-01	-1.56000000000000000
1991-03-01	-1.31000000000000000
1991-04-01	-0.97999999999999900
1991-05-01	-0.64999999999999900
1991-06-01	-0.37000000000000100
1991-07-01	-0.28000000000000100
1991-08-01	0.10999999999999900
1991-09-01	0.27000000000000000
1991-10-01	0.82000000000000000
1991-11-01	0.59999999999999800
1991-12-01	0.51000000000000200
1992-01-01	0.61999999999999700
1992-02-01	1.00000000000000000
1992-03-01	0.92000000000000000
1992-04-01	1.24000000000000000
1992-05-01	1.54000000000000000
1992-06-01	1.96000000000000000
1992-07-01	1.82000000000000000
1992-08-01	1.66000000000000000
1992-09-01	2.12000000000000000
1992-10-01	1.77000000000000000
1992-11-01	2.52000000000000000
1992-12-01	2.86000000000000000
1993-01-01	2.79000000000000000
1993-02-01	2.97000000000000000
1993-03-01	3.15000000000000000
1993-04-01	3.89000000000000000
1993-05-01	3.42000000000000000
1993-06-01	2.80000000000000000
1993-07-01	2.48000000000000000
1993-08-01	2.16000000000000000
1993-09-01	1.68000000000000000
1993-10-01	1.78000000000000000
1993-11-01	2.48000000000000000
1993-12-01	2.15000000000000000
1994-01-01	2.06000000000000000
1994-02-01	2.64000000000000000
1994-03-01	2.86000000000000000
1994-04-01	2.93000000000000000
1994-05-01	3.07000000000000000
1994-06-01	3.61000000000000000
1994-07-01	4.37000000000000000
1994-08-01	5.12000000000000000
1994-09-01	6.05000000000000000
1994-10-01	5.13000000000000000
1994-11-01	4.75000000000000000
1994-12-01	4.33000000000000000
1995-01-01	4.32000000000000000
1995-02-01	3.92000000000000000
1995-03-01	3.71000000000000000
1995-04-01	3.86000000000000000
1995-05-01	3.23000000000000000
1995-06-01	2.97000000000000000
1995-07-01	2.64000000000000000
1995-08-01	2.09000000000000000
1995-09-01	1.50000000000000000
1995-10-01	1.32000000000000000
1995-11-01	0.76000000000000000
1995-12-01	0.62000000000000100
1996-01-01	-0.25000000000000000
1996-02-01	0.18000000000000000
1996-03-01	0.89999999999999900
1996-04-01	1.48000000000000000
1996-05-01	0.66000000000000200
1996-06-01	-0.02000000000000140
1996-07-01	0.37000000000000100
1996-08-01	-0.06000000000000050
1996-09-01	0.14000000000000100
1996-10-01	0.78000000000000100
1996-11-01	0.92000000000000000
1996-12-01	0.26000000000000200
1997-01-01	-0.41000000000000000
1997-02-01	-0.76000000000000000
1997-03-01	-0.65000000000000000
1997-04-01	-0.52999999999999900
1997-05-01	-0.60000000000000000
1997-06-01	-0.74000000000000000
1997-07-01	-0.86999999999999900
1997-08-01	-0.54999999999999900
1997-09-01	-0.54000000000000100
1997-10-01	-0.51000000000000000
1997-11-01	-0.05000000000000070
1997-12-01	-0.51000000000000000
1998-01-01	-0.82000000000000000
1998-02-01	-0.52999999999999900
1998-03-01	0.10999999999999900
1998-04-01	0.01999999999999960
1998-05-01	0.44000000000000100
1998-06-01	-1.44000000000000000
1998-07-01	-3.10000000000000000
1998-08-01	-2.79000000000000000
1998-09-01	-3.34000000000000000
1998-10-01	-2.94000000000000000
1998-11-01	-1.71000000000000000
1998-12-01	-0.84000000000000000
1999-01-01	-0.50999999999999800
1999-02-01	-0.65999999999999800
1999-03-01	-0.08000000000000010
1999-04-01	0.83000000000000000
1999-05-01	1.62000000000000000
1999-06-01	1.67000000000000000
1999-07-01	2.87000000000000000
1999-08-01	3.60000000000000000
1999-09-01	4.18000000000000000
1999-10-01	4.24000000000000000
1999-11-01	3.59000000000000000
1999-12-01	3.26000000000000000
2000-01-01	3.33000000000000000
2000-02-01	3.72000000000000000
2000-03-01	4.07000000000000000
2000-04-01	4.39000000000000000
2000-05-01	4.57000000000000000
2000-06-01	4.05000000000000000
2000-07-01	3.67000000000000000
2000-08-01	3.37000000000000000
2000-09-01	3.56000000000000000
2000-10-01	3.53000000000000000
2000-11-01	3.18000000000000000
2000-12-01	2.68000000000000000
2001-01-01	2.46000000000000000
2001-02-01	1.85000000000000000
2001-03-01	1.62000000000000000
2001-04-01	1.83000000000000000
2001-05-01	1.55000000000000000
2001-06-01	1.33000000000000000
2001-07-01	1.37000000000000000
2001-08-01	1.38000000000000000
2001-09-01	1.57000000000000000
2001-10-01	1.86000000000000000
2001-11-01	1.51000000000000000
2001-12-01	2.43000000000000000
2002-01-01	2.17000000000000000
2002-02-01	2.46000000000000000
2002-03-01	2.71000000000000000
2002-04-01	1.87000000000000000
2002-05-01	0.50000000000000000
2002-06-01	0.16000000000000000
2002-07-01	-0.21999999999999900
2002-08-01	-0.35000000000000000
2002-09-01	-0.76000000000000000
2002-10-01	-1.34000000000000000
2002-11-01	-1.31000000000000000
2002-12-01	-1.83000000000000000
2003-01-01	-2.17000000000000000
2003-02-01	-2.69000000000000000
2003-03-01	-2.73000000000000000
2003-04-01	-2.81000000000000000
2003-05-01	-2.79000000000000000
2003-06-01	-1.95000000000000000
2003-07-01	-1.32000000000000000
2003-08-01	-0.66000000000000000
2003-09-01	0.19000000000000000
2003-10-01	0.91000000000000000
2003-11-01	1.59000000000000000
2003-12-01	1.84000000000000000
2004-01-01	1.67000000000000000
2004-02-01	1.89000000000000000
2004-03-01	1.88000000000000000
2004-04-01	2.08000000000000000
2004-05-01	2.53000000000000000
2004-06-01	2.55000000000000000
2004-07-01	2.19000000000000000
2004-08-01	2.28000000000000000
2004-09-01	2.16000000000000000
2004-10-01	1.88000000000000000
2004-11-01	1.71000000000000000
2004-12-01	1.11000000000000000
2005-01-01	0.91999999999999900
2005-02-01	0.61999999999999900
2005-03-01	1.01000000000000000
2005-04-01	1.50000000000000000
2005-05-01	1.65000000000000000
2005-06-01	1.32000000000000000
2005-07-01	1.39000000000000000
2005-08-01	1.18000000000000000
2005-09-01	1.30000000000000000
2005-10-01	1.31000000000000000
2005-11-01	0.99000000000000000
2005-12-01	0.75000000000000000
2006-01-01	0.63000000000000000
2006-02-01	0.58000000000000000
2006-03-01	0.83000000000000000
2006-04-01	0.81000000000000000
2006-05-01	0.83000000000000000
2006-06-01	1.18000000000000000
2006-07-01	1.30000000000000000
2006-08-01	0.90000000000000000
2006-09-01	0.89000000000000100
2006-10-01	0.17000000000000000
2006-11-01	-0.36000000000000000
2006-12-01	-0.58000000000000100
2007-01-01	-1.05000000000000000
2007-02-01	-1.16000000000000000
2007-03-01	-0.69000000000000000
2007-04-01	-0.64000000000000000
2007-05-01	-0.92000000000000000
2007-06-01	-0.92000000000000000
2007-07-01	-0.69000000000000000
2007-08-01	-0.76000000000000200
2007-09-01	-0.86000000000000100
2007-10-01	-1.65000000000000000
2007-11-01	-2.03000000000000000
2007-12-01	-2.19000000000000000
2008-01-01	-2.01000000000000000
2008-02-01	-1.59000000000000000
2008-03-01	-0.98000000000000000
2008-04-01	-1.10000000000000000
2008-05-01	-2.04000000000000000
2008-06-01	-1.12000000000000000
2008-07-01	-1.27000000000000000
2008-08-01	-2.14000000000000000
2008-09-01	-2.10000000000000000
2008-10-01	-1.67000000000000000
2008-11-01	-2.22000000000000000
2008-12-01	-3.05000000000000000
2009-01-01	-2.80620000000000000
2009-02-01	-0.96420000000000000
2009-03-01	-0.19240000000000100
2009-04-01	0.29000000000000100
2009-05-01	1.02120000000000000
2009-06-01	1.65360000000000000
2009-07-01	1.72330000000000000
2009-08-01	1.63840000000000000
2009-09-01	1.76080000000000000
2009-10-01	2.16808000000000000
2009-11-01	1.99000000000000000
2009-12-01	1.96000000000000000
2010-01-01	2.13000000000000000
2010-02-01	2.03000000000000000
2010-03-01	1.97000000000000000
2010-04-01	2.16000000000000000
2010-05-01	2.39000000000000000
2010-06-01	2.45000000000000000
2010-07-01	2.30000000000000000
2010-08-01	1.75000000000000000
2010-09-01	1.84000000000000000
2010-10-01	2.06000000000000000
2010-11-01	2.47000000000000000
2010-12-01	2.79000000000000000
2011-01-01	2.98000000000000000
2011-02-01	3.17000000000000000
2011-03-01	3.44000000000000000
2011-04-01	3.27000000000000000
2011-05-01	3.11000000000000000
2011-06-01	3.04000000000000000
2011-07-01	3.06000000000000000
2011-08-01	2.61000000000000000
2011-09-01	2.76000000000000000
2011-10-01	2.92000000000000000
2011-11-01	2.98000000000000000
2011-12-01	3.06000000000000000
2012-01-01	2.93000000000000000
2012-02-01	2.73000000000000000
2012-03-01	2.83000000000000000
2012-04-01	2.71000000000000000
2012-05-01	2.72000000000000000
2012-06-01	2.58000000000000000
2012-07-01	2.14000000000000000
2012-08-01	2.43000000000000000
2012-09-01	2.46000000000000000
2012-10-01	2.73000000000000000
2012-11-01	2.71000000000000000
2012-12-01	2.38000000000000000
2013-01-01	2.20000000000000000
2013-02-01	2.25000000000000000
2013-03-01	2.34000000000000000
2013-04-01	1.86000000000000000
2013-05-01	1.93000000000000000
2013-06-01	2.82000000000000000
2013-07-01	2.85000000000000000
2013-08-01	3.28000000000000000
2013-09-01	3.09000000000000000
2013-10-01	2.83000000000000000
2013-11-01	3.11000000000000000
2013-12-01	3.18000000000000000
2014-01-01	3.25000000000000000
2014-02-01	3.11000000000000000
2014-03-01	2.79000000000000000
2014-04-01	2.68000000000000000
2014-05-01	2.42000000000000000
2014-06-01	2.55000000000000000
2014-07-01	2.22000000000000000
2014-08-01	2.20000000000000000
2014-09-01	2.20000000000000000
2014-10-01	2.16000000000000000
2014-11-01	2.03000000000000000
2014-12-01	1.80000000000000000
2015-01-01	1.38000000000000000
2015-02-01	1.60000000000000000
2015-03-01	2.01000000000000000
2015-04-01	2.06000000000000000
2015-05-01	2.36000000000000000
2015-06-01	2.57000000000000000
2015-07-01	2.15000000000000000
2015-08-01	2.12000000000000000
2015-09-01	2.23000000000000000
2015-10-01	2.13000000000000000
2015-11-01	2.16000000000000000
2015-12-01	2.60000000000000000
2016-01-01	2.76000000000000000
2016-02-01	2.30000000000000000
2016-03-01	2.23000000000000000
2016-04-01	1.89000000000000000
2016-05-01	2.13000000000000000
2016-06-01	1.86000000000000000
2016-07-01	1.37000000000000000
2016-08-01	1.40000000000000000
2016-09-01	1.39000000000000000
2016-10-01	1.42000000000000000
2016-11-01	1.43000000000000000
2016-12-01	1.34000000000000000
2017-01-01	1.29000000000000000
2017-02-01	1.47000000000000000
2017-03-01	1.39000000000000000
2017-04-01	1.43000000000000000
2017-05-01	1.19000000000000000
2017-06-01	1.67000000000000000
2017-07-01	1.91000000000000000
2017-08-01	1.95000000000000000
2017-09-01	1.90000000000000000
2017-10-01	2.15000000000000000
2017-11-01	2.35000000000000000
2017-12-01	1.96000000000000000
2018-01-01	1.76000000000000000
2018-02-01	1.58000000000000000
2018-03-01	1.45000000000000000
2018-04-01	1.50000000000000000
2018-05-01	1.89000000000000000
2018-06-01	2.27000000000000000
2018-07-01	2.02000000000000000
2018-08-01	2.16000000000000000
2018-09-01	2.39000000000000000
2018-10-01	2.43000000000000000