Annual Percent
1960-01-01 13.085200000000000
1961-01-01 12.678300000000000
1962-01-01 12.803500000000000
1963-01-01 12.726100000000000
1964-01-01 14.025900000000000
1965-01-01 15.195600000000000
1966-01-01 15.937000000000001
1967-01-01 17.000300000000000
1968-01-01 16.875500000000000
1969-01-01 17.312900000000000
1970-01-01 18.980400000000000
1971-01-01 20.036700000000000
1972-01-01 22.280000000000000
1973-01-01 23.345500000000000
1974-01-01 21.376500000000000
1975-01-01 21.953300000000000
1976-01-01 23.547700000000000
1977-01-01 23.381999999999998
1978-01-01 24.526300000000000
1979-01-01 23.818800000000000
1980-01-01 22.608700000000000
1981-01-01 23.605200000000000
1982-01-01 25.834000000000000
1983-01-01 26.841600000000000
1984-01-01 26.040600000000000
1985-01-01 27.087700000000000
1986-01-01 25.799600000000000
1987-01-01 25.196600000000000
1988-01-01 24.826100000000000
1989-01-01 24.727900000000000
1990-01-01 21.069200000000000
1991-01-01 20.873500000000000
1992-01-01 23.948200000000000
1993-01-01 22.972200000000000
1994-01-01 20.978000000000000
1995-01-01 19.938800000000000
1996-01-01 19.921600000000000
1997-01-01 20.447600000000000
1998-01-01 21.674500000000000
1999-01-01 22.442500000000000
2000-01-01 23.816500000000000
2001-01-01 23.411600000000000
2002-01-01 22.110500000000000
2003-01-01 27.826700000000000
2004-01-01 33.185600000000000
2005-01-01 34.635300000000000
2006-01-01 35.247600000000000
2007-01-01 34.340100000000000
2008-01-01 34.385300000000000
2009-01-01 35.876200000000000
2010-01-01 37.103800000000000
2011-01-01 36.357400000000000
2012-01-01 36.935100000000000
2013-01-01 38.141100000000000
2014-01-01 38.604100000000000
2015-01-01 38.513100000000000
2016-01-01 38.965700000000000