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 12.456900000000000
1971-01-01 13.880900000000000
1972-01-01 15.634100000000000
1973-01-01 16.492700000000000
1974-01-01 14.898300000000000
1975-01-01 16.154800000000000
1976-01-01 19.136300000000000
1977-01-01 21.540800000000000
1978-01-01 28.701900000000000
1979-01-01 27.604900000000000
1980-01-01 24.389100000000000
1981-01-01 27.084500000000000
1982-01-01 29.169200000000000
1983-01-01 37.937400000000000
1984-01-01 43.642300000000000
1985-01-01 46.888300000000000
1986-01-01 47.684000000000000
1987-01-01 47.949500000000000
1988-01-01 47.444700000000000
1989-01-01 44.385700000000000
1990-01-01 39.496400000000000
1991-01-01 41.158400000000000
1992-01-01 44.631300000000000
1993-01-01 42.883800000000000
1994-01-01 37.197400000000000
1995-01-01 37.489500000000000
1996-01-01 36.423900000000000
1997-01-01 38.083800000000000
1998-01-01 41.915100000000000
1999-01-01 40.815700000000000
2000-01-01 37.813100000000000
2001-01-01 38.818000000000005
2002-01-01 39.956500000000000
2003-01-01 33.392500000000000
2004-01-01 30.611100000000000
2005-01-01 29.680300000000000
2006-01-01 31.038800000000000
2007-01-01 30.569100000000000
2008-01-01 26.662500000000000
2009-01-01 38.681000000000000
2010-01-01 33.556200000000000
2011-01-01 28.684000000000000
2012-01-01 34.985700000000000
2013-01-01 40.097200000000000
2014-01-01 42.067300000000000
2015-01-01 48.554300000000000
2016-01-01 54.330500000000000