Annual Percent
1967-01-01 22.320999999999998
1968-01-01 20.964400000000000
1969-01-01 22.597300000000000
1970-01-01 22.257800000000000
1971-01-01 23.334800000000000
1972-01-01 24.678400000000000
1973-01-01 24.007500000000000
1974-01-01 25.527700000000000
1975-01-01 24.588900000000000
1976-01-01 24.153200000000000
1977-01-01 25.335200000000000
1978-01-01 25.502700000000000
1979-01-01 27.480800000000000
1980-01-01 29.965100000000000
1981-01-01 30.386400000000000
1982-01-01 34.102900000000000
1983-01-01 38.935500000000000
1984-01-01 45.866500000000000
1985-01-01 57.828200000000000
1986-01-01 70.492100000000000
1987-01-01 88.870300000000000
1988-01-01 86.047100000000000
1989-01-01 91.724600000000000
1990-01-01 75.079900000000000
1991-01-01 70.674700000000000
1992-01-01 64.296500000000000
1993-01-01 42.472200000000000
1994-01-01 17.471400000000000
1995-01-01 14.601600000000000
1996-01-01 20.521400000000000
1997-01-01 23.849700000000000
1998-01-01 25.251500000000000
1999-01-01 25.574800000000000
2000-01-01 19.754700000000000
2001-01-01 21.448600000000000
2002-01-01 26.770000000000000
2003-01-01 32.651200000000000
2004-01-01 33.369300000000000
2005-01-01 32.802800000000000
2006-01-01 32.961800000000000
2007-01-01 37.219100000000000
2008-01-01 40.649300000000000
2009-01-01 42.534900000000000
2010-01-01 43.892200000000000
2011-01-01 44.093000000000000
2012-01-01 45.169900000000000
2013-01-01 50.396100000000000
2014-01-01 54.086700000000000
2015-01-01 57.181700000000000
2016-01-01 61.927600000000000