Annual Percent
1960-01-01 8.432530000000000
1961-01-01 7.876500000000000
1962-01-01 8.182120000000000
1963-01-01 8.293700000000000
1964-01-01 8.661940000000000
1965-01-01 10.304600000000000
1966-01-01 12.270100000000000
1967-01-01 12.822600000000000
1968-01-01 12.960400000000000
1969-01-01 15.128300000000000
1970-01-01 11.957500000000000
1971-01-01 12.908200000000000
1972-01-01 14.555400000000000
1973-01-01 15.397600000000000
1974-01-01 14.067600000000000
1975-01-01 14.618300000000000
1976-01-01 16.594600000000000
1977-01-01 18.639200000000000
1978-01-01 24.412400000000000
1979-01-01 23.186200000000000
1980-01-01 20.249100000000000
1981-01-01 22.031999999999996
1982-01-01 23.103200000000000
1983-01-01 29.320500000000000
1984-01-01 32.506300000000000
1985-01-01 33.193600000000000
1986-01-01 34.121600000000000
1987-01-01 35.450500000000000
1988-01-01 34.687000000000000
1989-01-01 32.903900000000000
1990-01-01 29.728500000000000
1991-01-01 30.963400000000000
1992-01-01 33.362800000000000
1993-01-01 31.609900000000000
1994-01-01 26.656999999999996
1995-01-01 25.901800000000000
1996-01-01 26.641300000000000
1997-01-01 29.889400000000000
1998-01-01 33.333200000000000
1999-01-01 32.397700000000000
2000-01-01 29.575300000000000
2001-01-01 30.143600000000000
2002-01-01 30.719400000000000
2003-01-01 25.157900000000000
2004-01-01 23.782800000000000
2005-01-01 24.657100000000000
2006-01-01 26.693500000000000
2007-01-01 26.894800000000000
2008-01-01 24.091900000000000
2009-01-01 35.580200000000000
2010-01-01 31.166999999999998
2011-01-01 26.893800000000000
2012-01-01 28.556900000000000
2013-01-01 28.504200000000000
2014-01-01 30.114900000000000
2015-01-01 35.766400000000000
2016-01-01 40.320600000000000