Annual Percent
1973-01-01 90.047999999999990
1974-01-01 72.078200000000000
1975-01-01 56.367900000000000
1976-01-01 42.985700000000000
1977-01-01 37.117300000000000
1978-01-01 34.591700000000000
1979-01-01 31.329200000000000
1980-01-01 26.679700000000000
1981-01-01 28.548400000000000
1982-01-01 29.928700000000000
1983-01-01 32.354500000000000
1984-01-01 30.036900000000000
1985-01-01 29.471400000000000
1986-01-01 33.814400000000000
1987-01-01 36.225800000000000
1988-01-01 38.580100000000000
1989-01-01 40.750700000000000
1990-01-01 43.028000000000000
1991-01-01 41.093300000000000
1992-01-01 42.323700000000000
1993-01-01 48.886800000000000
1994-01-01 52.633900000000000
1995-01-01 52.049400000000000
1996-01-01 53.405800000000000
1997-01-01 58.668800000000000
1998-01-01 61.031800000000000
1999-01-01 62.875800000000000
2000-01-01 65.891000000000000
2001-01-01 73.142200000000000
2002-01-01 73.300800000000000
2003-01-01 68.732100000000000
2004-01-01 69.693800000000000
2005-01-01 62.548200000000000
2006-01-01 68.758000000000000
2007-01-01 71.500300000000000
2008-01-01 75.808300000000000
2009-01-01 87.199900000000000
2010-01-01 93.800800000000000
2011-01-01 94.970500000000000
2012-01-01 92.319800000000000
2013-01-01 83.882000000000000
2014-01-01 72.987000000000000
2015-01-01 62.773999999999994
2016-01-01 58.009200000000000