Annual Percent
1973-01-01 41.501900000000000
1974-01-01 50.345900000000000
1975-01-01 57.843400000000000
1976-01-01 61.665700000000000
1977-01-01 61.867300000000000
1978-01-01 54.928700000000000
1979-01-01 52.628400000000000
1980-01-01 49.969300000000000
1981-01-01 51.694700000000000
1982-01-01 51.805900000000000
1983-01-01 51.699000000000000
1984-01-01 50.775400000000000
1985-01-01 49.464900000000000
1986-01-01 49.361999999999995
1987-01-01 49.949900000000000
1988-01-01 51.054200000000000
1989-01-01 44.966900000000000
1990-01-01 41.854400000000000
1991-01-01 43.111600000000000
1992-01-01 46.900200000000000
1993-01-01 52.320000000000000
1994-01-01 58.682300000000000
1995-01-01 66.169300000000000
1996-01-01 62.148999999999994
1997-01-01 64.533100000000000
1998-01-01 71.109500000000000
1999-01-01 81.283700000000000
2000-01-01 89.222700000000000
2001-01-01 93.102200000000000
2002-01-01 86.910900000000000
2003-01-01 77.105200000000000
2004-01-01 72.773200000000000
2005-01-01 74.137700000000000
2006-01-01 75.599700000000000
2007-01-01 75.735900000000000
2008-01-01 77.550900000000000
2009-01-01 76.633000000000000
2010-01-01 76.404500000000000
2011-01-01 74.733700000000000
2012-01-01 75.155200000000000
2013-01-01 68.893999999999990
2014-01-01 71.156900000000000
2015-01-01 81.556900000000000
2016-01-01 84.495200000000000