Annual Percent
1973-01-01 14.854800000000000
1974-01-01 15.081400000000000
1975-01-01 16.544300000000000
1976-01-01 18.499000000000002
1977-01-01 20.826999999999998
1978-01-01 23.766400000000000
1979-01-01 24.120200000000000
1980-01-01 24.597500000000000
1981-01-01 25.255200000000000
1982-01-01 26.700200000000000
1983-01-01 26.580600000000000
1984-01-01 23.242200000000000
1985-01-01 20.679900000000000
1986-01-01 21.666999999999998
1987-01-01 25.979300000000000
1988-01-01 27.901200000000000
1989-01-01 29.720800000000000
1990-01-01 31.679100000000000
1991-01-01 30.361500000000000
1992-01-01 24.140800000000000
1993-01-01 16.089500000000000
1994-01-01 16.213800000000000
1995-01-01 12.842400000000000
1996-01-01 12.071400000000000
1997-01-01 10.907400000000000
1998-01-01 10.431300000000000
1999-01-01 10.945400000000000
2000-01-01 11.373100000000000
2001-01-01 11.800999999999998
2002-01-01 11.671300000000000
2003-01-01 11.899100000000000
2004-01-01 11.615300000000000
2005-01-01 11.448100000000000
2006-01-01 11.449100000000000
2007-01-01 11.116700000000000
2008-01-01 11.620800000000000
2009-01-01 12.347900000000000
2010-01-01 12.598400000000000
2011-01-01 13.861800000000000
2012-01-01 15.752700000000000
2013-01-01 17.128800000000000
2014-01-01 17.868700000000000
2015-01-01 19.019800000000000
2016-01-01 20.781200000000000