Quarter National Currency 1987-01-01 10.9897798507463 1987-04-01 11.2865335820896 1987-07-01 11.5635037313433 1987-10-01 11.7217723880597 1988-01-01 12.1372276119403 1988-04-01 12.4735485074627 1988-07-01 12.7010597014925 1988-10-01 12.8197611940298 1989-01-01 13.0700000000000 1989-04-01 13.1900000000000 1989-07-01 13.3100000000000 1989-10-01 13.4500000000000 1990-01-01 13.8800000000000 1990-04-01 14.0400000000000 1990-07-01 14.1600000000000 1990-10-01 14.3100000000000 1991-01-01 14.4700000000000 1991-04-01 14.5500000000000 1991-07-01 14.6400000000000 1991-10-01 14.7200000000000 1992-01-01 14.8300000000000 1992-04-01 14.8700000000000 1992-07-01 14.8300000000000 1992-10-01 14.8500000000000 1993-01-01 14.8400000000000 1993-04-01 14.9100000000000 1993-07-01 14.8500000000000 1993-10-01 14.8900000000000 1994-01-01 14.9800000000000 1994-04-01 15.1000000000000 1994-07-01 15.1000000000000 1994-10-01 15.1600000000000 1995-01-01 15.2600000000000 1995-04-01 15.4000000000000 1995-07-01 15.4900000000000 1995-10-01 15.6000000000000 1996-01-01 15.7200000000000 1996-04-01 15.9400000000000 1996-07-01 16.0300000000000 1996-10-01 16.1900000000000 1997-01-01 16.3900000000000 1997-04-01 16.5100000000000 1997-07-01 16.6300000000000 1997-10-01 16.6900000000000 1998-01-01 16.7900000000000 1998-04-01 16.9800000000000 1998-07-01 17.0500000000000 1998-10-01 17.1900000000000 1999-01-01 17.2700000000000 1999-04-01 17.3500000000000 1999-07-01 17.5700000000000 1999-10-01 17.4900000000000 2000-01-01 17.5600000000000 2000-04-01 17.6900000000000 2000-07-01 17.8700000000000 2000-10-01 17.9300000000000 2001-01-01 18.1100000000000 2001-04-01 18.2900000000000 2001-07-01 18.4900000000000 2001-10-01 18.5300000000000 2002-01-01 18.7700000000000 2002-04-01 18.7200000000000 2002-07-01 19.0600000000000 2002-10-01 19.2000000000000 2003-01-01 19.2100000000000 2003-04-01 19.4200000000000 2003-07-01 19.6500000000000 2003-10-01 19.8400000000000 2004-01-01 19.8600000000000 2004-04-01 20.3000000000000 2004-07-01 20.3400000000000 2004-10-01 20.2800000000000 2005-01-01 20.5900000000000 2005-04-01 21.0100000000000 2005-07-01 21.2100000000000 2005-10-01 21.3900000000000 2006-01-01 21.6800000000000 2006-04-01 21.9500000000000 2006-07-01 22.3000000000000 2006-10-01 22.4700000000000 2007-01-01 22.7000000000000 2007-04-01 22.8900000000000 2007-07-01 23.1900000000000 2007-10-01 23.4000000000000 2008-01-01 23.7500000000000 2008-04-01 24.1000000000000 2008-07-01 24.4800000000000 2008-10-01 24.7100000000000 2009-01-01 25.0300000000000 2009-04-01 25.2100000000000 2009-07-01 25.4300000000000 2009-10-01 25.3900000000000 2010-01-01 25.3000000000000 2010-04-01 25.4900000000000 2010-07-01 25.7500000000000 2010-10-01 25.8600000000000 2011-01-01 25.9600000000000 2011-04-01 26.2700000000000 2011-07-01 26.5800000000000 2011-10-01 26.5900000000000 2012-01-01 26.9600000000000 2012-04-01 27.0000000000000 2012-07-01 27.3100000000000 2012-10-01 27.3000000000000 2013-01-01 27.5200000000000 2013-04-01 27.5500000000000 2013-07-01 27.9900000000000 2013-10-01 28.0300000000000 2014-01-01 28.2000000000000 2014-04-01 28.2500000000000 2014-07-01 28.6600000000000 2014-10-01 28.7900000000000 2015-01-01 28.7800000000000 2015-04-01 29.0400000000000 2015-07-01 29.3100000000000 2015-10-01 29.4100000000000 2016-01-01 29.4800000000000 2016-04-01 29.6700000000000 2016-07-01 29.8400000000000 2016-10-01 29.8000000000000 2017-01-01 29.9600000000000 2017-04-01 30.1500000000000 2017-07-01 30.5100000000000 2017-10-01 30.7400000000000 2018-01-01 31.0300000000000 2018-04-01 31.0800000000000 2018-07-01 31.3900000000000