Annual Percent
1965-01-01 19.071300000000000
1966-01-01 19.075200000000000
1967-01-01 19.144500000000000
1968-01-01 18.903100000000000
1969-01-01 19.071100000000000
1970-01-01 19.602800000000000
1971-01-01 20.568400000000000
1972-01-01 21.454700000000000
1973-01-01 22.426200000000000
1974-01-01 24.162700000000000
1975-01-01 24.038700000000000
1976-01-01 21.263700000000000
1977-01-01 20.643900000000000
1978-01-01 22.954600000000000
1979-01-01 23.645400000000000
1980-01-01 24.364400000000000
1981-01-01 25.866200000000000
1982-01-01 28.496700000000000
1983-01-01 30.769000000000002
1984-01-01 31.973100000000000
1985-01-01 37.037500000000000
1986-01-01 35.923700000000000
1987-01-01 26.280500000000000
1988-01-01 27.756400000000000
1989-01-01 28.843600000000000
1990-01-01 23.160300000000000
1991-01-01 16.824800000000000
1992-01-01 17.430300000000000
1993-01-01 19.262800000000000
1994-01-01 24.761100000000000
1995-01-01 30.758800000000000
1996-01-01 34.921600000000000
1997-01-01 37.681200000000000
1998-01-01 39.909200000000000
1999-01-01 41.972800000000000
2000-01-01 43.501400000000000
2001-01-01 42.065600000000000
2002-01-01 39.567100000000000
2003-01-01 39.623300000000000
2004-01-01 40.615100000000000
2005-01-01 40.455500000000000
2006-01-01 40.890700000000000
2007-01-01 41.127900000000000
2008-01-01 41.939400000000000
2009-01-01 42.521900000000000
2010-01-01 40.006700000000000
2011-01-01 38.475900000000000
2012-01-01 38.599900000000000
2013-01-01 40.003400000000000
2014-01-01 41.496300000000000
2015-01-01 41.132600000000000
2016-01-01 42.257400000000000