Month Percent per Annum 1980-01-01 13.9600 1980-02-01 14.0900 1980-03-01 14.7400 1980-04-01 14.9200 1980-05-01 15.0200 1980-06-01 15.1800 1980-07-01 15.4400 1980-08-01 15.6000 1980-09-01 15.6900 1980-10-01 16.0800 1980-11-01 16.1400 1980-12-01 16.1700 1981-01-01 16.2000 1981-02-01 16.4500 1981-03-01 17.1000 1981-04-01 18.3600 1981-05-01 18.7400 1981-06-01 19.6700 1981-07-01 20.4300 1981-08-01 20.6600 1981-09-01 21.0500 1981-10-01 20.8500 1981-11-01 21.4400 1981-12-01 21.3400 1982-01-01 20.9400 1982-02-01 20.7300 1982-03-01 20.0800 1982-04-01 20.2200 1982-05-01 20.8200 1982-06-01 20.9000 1982-07-01 20.8500 1982-08-01 20.1200 1982-09-01 19.1500 1982-10-01 19.3100 1982-11-01 19.8400 1982-12-01 19.6200 1983-01-01 19.3300 1983-02-01 19.1800 1983-03-01 18.7600 1983-04-01 18.2100 1983-05-01 18.2900 1983-06-01 18.3900 1983-07-01 18.4200 1983-08-01 18.1100 1983-09-01 17.7900 1983-10-01 17.6400 1983-11-01 17.7800 1983-12-01 17.6900 1984-01-01 16.9200 1984-02-01 16.3300 1984-03-01 15.6800 1984-04-01 15.7400 1984-05-01 15.7500 1984-06-01 15.5400 1984-07-01 15.1800 1984-08-01 15.2800 1984-09-01 15.6400 1984-10-01 15.3500 1984-11-01 15.2500 1984-12-01 14.5300 1985-01-01 13.2700 1985-02-01 13.2900 1985-03-01 13.5100 1985-04-01 13.5700 1985-05-01 13.8900 1985-06-01 13.9100 1985-07-01 14.1200 1985-08-01 14.0900 1985-09-01 13.7600 1985-10-01 13.7500 1985-11-01 13.7200 1985-12-01 13.6700 1986-01-01 13.4600 1986-02-01 13.8300 1986-03-01 13.3700 1986-04-01 12.2800 1986-05-01 10.8900 1986-06-01 10.8500 1986-07-01 11.0600 1986-08-01 10.8100 1986-09-01 10.4300 1986-10-01 10.2600 1986-11-01 10.3300 1986-12-01 10.0500 1987-01-01 9.7800 1987-02-01 9.8400 1987-03-01 10.0300 1987-04-01 10.0700 1987-05-01 10.2000 1987-06-01 10.4100 1987-07-01 10.9000 1987-08-01 11.3000 1987-09-01 11.3000 1987-10-01 11.6300 1987-11-01 11.4900 1987-12-01 10.7500 1988-01-01 10.5500 1988-02-01 10.5700 1988-03-01 10.5800 1988-04-01 10.7200 1988-05-01 10.8500 1988-06-01 10.8300 1988-07-01 10.9700 1988-08-01 11.1100 1988-09-01 11.2400 1988-10-01 11.0400 1988-11-01 10.9800 1988-12-01 11.3100 1989-01-01 11.3700 1989-02-01 11.7000 1989-03-01 12.3600 1989-04-01 12.4800 1989-05-01 12.6200 1989-06-01 12.6300 1989-07-01 12.9000 1989-08-01 12.9200 1989-09-01 13.2300 1989-10-01 13.4900 1989-11-01 13.8600 1989-12-01 13.8700 1990-01-01 13.8700 1990-02-01 14.0200 1990-03-01 14.0800 1990-04-01 13.8600 1990-05-01 13.6200 1990-06-01 12.9600 1990-07-01 12.9100 1990-08-01 13.4700 1990-09-01 13.2800 1990-10-01 13.2700 1990-11-01 13.4000 1990-12-01 13.6900 1991-01-01 13.8000 1991-02-01 13.7800 1991-03-01 13.7700 1991-04-01 13.4300 1991-05-01 13.0600 1991-06-01 13.0900 1991-07-01 13.3400 1991-08-01 13.4500 1991-09-01 13.0200 1991-10-01 12.7900 1991-11-01 12.9100 1991-12-01 12.9500 1992-01-01 12.6800 1992-02-01 12.6100 1992-03-01 12.5800 1992-04-01 12.6900 1992-05-01 12.5800 1992-06-01 13.1000 1992-07-01 13.6300 1992-08-01 13.6800 1992-09-01 14.1100 1992-10-01 14.4200 1992-11-01 13.4700 1992-12-01 13.6600 1993-01-01 13.4300 1993-02-01 13.0600 1993-03-01 12.9000 1993-04-01 13.1100 1993-05-01 12.4600 1993-06-01 11.6700 1993-07-01 11.1000 1993-08-01 9.7600 1993-09-01 9.4700 1993-10-01 9.0200 1993-11-01 9.3300 1993-12-01 8.9300 1994-01-01 8.6700 1994-02-01 8.7700 1994-03-01 9.4400 1994-04-01 9.0500 1994-05-01 9.3700 1994-06-01 10.4800 1994-07-01 10.7700 1994-08-01 11.4600 1994-09-01 11.9400 1994-10-01 12.0700 1994-11-01 12.0200 1994-12-01 12.2000 1995-01-01 12.3700 1995-02-01 12.3900 1995-03-01 13.4500 1995-04-01 13.4000 1995-05-01 12.3000 1995-06-01 12.3800 1995-07-01 12.2100 1995-08-01 11.6600 1995-09-01 11.5400 1995-10-01 11.9600 1995-11-01 11.6300 1995-12-01 11.1700 1996-01-01 10.4300 1996-02-01 10.5200 1996-03-01 10.6900 1996-04-01 10.3400 1996-05-01 9.7000 1996-06-01 9.5700 1996-07-01 9.4300 1996-08-01 9.4800 1996-09-01 9.1700 1996-10-01 8.2300 1996-11-01 7.6900 1996-12-01 7.5600 1997-01-01 7.3800 1997-02-01 7.3600 1997-03-01 7.8700 1997-04-01 7.7400 1997-05-01 7.3200 1997-06-01 7.0700 1997-07-01 6.5200 1997-08-01 6.6600 1997-09-01 6.3600 1997-10-01 6.2000 1997-11-01 6.1300 1997-12-01 5.7400 1998-01-01 5.4300 1998-02-01 5.3800 1998-03-01 5.2000 1998-04-01 5.1500 1998-05-01 5.2100 1998-06-01 5.0800 1998-07-01 4.9700 1998-08-01 4.7900 1998-09-01 4.5300 1998-10-01 4.4900 1998-11-01 4.3800 1998-12-01 4.0000 1999-01-01 3.9200 1999-02-01 4.0500 1999-03-01 4.2700 1999-04-01 4.1100 1999-05-01 4.2800 1999-06-01 4.6200 1999-07-01 4.9400 1999-08-01 5.1300 1999-09-01 5.2800 1999-10-01 5.5200 1999-11-01 5.2500 1999-12-01 5.3600 2000-01-01 5.7500 2000-02-01 5.7300 2000-03-01 5.5800 2000-04-01 5.4700 2000-05-01 5.6600 2000-06-01 5.5100 2000-07-01 5.5900 2000-08-01 5.5600 2000-09-01 5.6300 2000-10-01 5.5800 2000-11-01 5.5500 2000-12-01 5.3000 2001-01-01 5.1800 2001-02-01 5.1800 2001-03-01 5.1300 2001-04-01 5.2800 2001-05-01 5.4500 2001-06-01 5.4000 2001-07-01 5.4200 2001-08-01 5.2200 2001-09-01 5.2000 2001-10-01 4.9600 2001-11-01 4.8000 2001-12-01 5.0500 2002-01-01 5.1400 2002-02-01 5.2000 2002-03-01 5.4100 2002-04-01 5.4000 2002-05-01 5.4100 2002-06-01 5.2600 2002-07-01 5.1100 2002-08-01 4.8300 2002-09-01 4.6200 2002-10-01 4.7600 2002-11-01 4.7400 2002-12-01 4.5500 2003-01-01 4.3800 2003-02-01 4.1600 2003-03-01 4.1900 2003-04-01 4.3100 2003-05-01 4.0400 2003-06-01 3.8200 2003-07-01 4.1300 2003-08-01 4.2900 2003-09-01 4.3100 2003-10-01 4.3800 2003-11-01 4.5100 2003-12-01 4.4600 2004-01-01 4.3200 2004-02-01 4.3400 2004-03-01 4.1700 2004-04-01 4.3500 2004-05-01 4.4900 2004-06-01 4.5400 2004-07-01 4.4400 2004-08-01 4.2800 2004-09-01 4.2500 2004-10-01 4.1300 2004-11-01 4.0000 2004-12-01 3.7900 2005-01-01 3.7100 2005-02-01 3.6800 2005-03-01 3.8400 2005-04-01 3.6500 2005-05-01 3.5500 2005-06-01 3.4100 2005-07-01 3.4400 2005-08-01 3.4500 2005-09-01 3.2900 2005-10-01 3.4400 2005-11-01 3.6600 2005-12-01 3.5500 2006-01-01 3.5400 2006-02-01 3.7000 2006-03-01 3.9200 2006-04-01 4.2200 2006-05-01 4.2900 2006-06-01 4.3000 2006-07-01 4.3100 2006-08-01 4.1700 2006-09-01 4.0400 2006-10-01 4.0700 2006-11-01 3.9700 2006-12-01 4.0400 2007-01-01 4.2600 2007-02-01 4.2800 2007-03-01 4.1800 2007-04-01 4.3700 2007-05-01 4.4897 2007-06-01 4.7720 2007-07-01 4.7603 2007-08-01 4.5836 2007-09-01 4.5736 2007-10-01 4.5909 2007-11-01 4.4493 2007-12-01 4.5385 2008-01-01 4.4000 2008-02-01 4.3544 2008-03-01 4.3775 2008-04-01 4.5319 2008-05-01 4.7000 2008-06-01 5.1100 2008-07-01 5.1000 2008-08-01 4.8100 2008-09-01 4.8000 2008-10-01 4.7800 2008-11-01 4.7400 2008-12-01 4.4700 2009-01-01 4.6200 2009-02-01 4.5400 2009-03-01 4.4600 2009-04-01 4.3600 2009-05-01 4.4200 2009-06-01 4.6100 2009-07-01 4.3700 2009-08-01 4.1200 2009-09-01 4.0900 2009-10-01 4.1000 2009-11-01 4.0600 2009-12-01 4.0100 2010-01-01 4.0800 2010-02-01 4.0500 2010-03-01 3.9500 2010-04-01 4.0000 2010-05-01 3.9800 2010-06-01 4.1000 2010-07-01 4.0300 2010-08-01 3.8000 2010-09-01 3.8600 2010-10-01 3.8000 2010-11-01 4.1800 2010-12-01 4.6000 2011-01-01 4.7300 2011-02-01 4.7400 2011-03-01 4.8800 2011-04-01 4.8400 2011-05-01 4.7600 2011-06-01 4.8200 2011-07-01 5.4600 2011-08-01 5.2700 2011-09-01 5.7500 2011-10-01 5.9700 2011-11-01 7.0600 2011-12-01 6.8100 2012-01-01 6.5400 2012-02-01 5.5500 2012-03-01 5.0500 2012-04-01 5.6800 2012-05-01 5.7800 2012-06-01 5.9000 2012-07-01 6.0000 2012-08-01 5.8200 2012-09-01 5.2500 2012-10-01 4.9500 2012-11-01 4.8500 2012-12-01 4.5400 2013-01-01 4.2100 2013-02-01 4.4900 2013-03-01 4.6400 2013-04-01 4.2800 2013-05-01 3.9600 2013-06-01 4.3800 2013-07-01 4.4200 2013-08-01 4.4200 2013-09-01 4.5400 2013-10-01 4.2500 2013-11-01 4.1000 2013-12-01 4.1100 2014-01-01 3.8700 2014-02-01 3.6500 2014-03-01 3.4000 2014-04-01 3.2300 2014-05-01 3.1200 2014-06-01 2.9200 2014-07-01 2.7900 2014-08-01 2.6300 2014-09-01 2.4000 2014-10-01 2.4200 2014-11-01 2.2900 2014-12-01 1.9900 2015-01-01 1.7000 2015-02-01 1.5600 2015-03-01 1.2900 2015-04-01 1.3600 2015-05-01 1.8100 2015-06-01 2.2000 2015-07-01 2.0400 2015-08-01 1.8400 2015-09-01 1.9200 2015-10-01 1.7000 2015-11-01 1.5700 2015-12-01 1.5800 2016-01-01 1.5300 2016-02-01 1.5600 2016-03-01 1.3800 2016-04-01 1.4400 2016-05-01 1.5300 2016-06-01 1.4500 2016-07-01 1.2300 2016-08-01 1.1800 2016-09-01 1.2700 2016-10-01 1.4500 2016-11-01 1.9400 2016-12-01 1.8900 2017-01-01 1.9900 2017-02-01 2.3500 2017-03-01 2.4000 2017-04-01 2.2600 2017-05-01 2.1900 2017-06-01 2.0500 2017-07-01 2.2300 2017-08-01 2.1100 2017-09-01 2.1100 2017-10-01 2.0700 2017-11-01 1.7900 2017-12-01 1.7900 2018-01-01 1.9800 2018-02-01 2.0800 2018-03-01 1.9700 2018-04-01 1.7700 2018-05-01 2.1800 2018-06-01 2.7400 2018-07-01 2.6400 2018-08-01 3.1600 2018-09-01 2.9600 2018-10-01 3.4700