Annual Percent
1973-01-01 8.003280000000000
1974-01-01 9.235350000000000
1975-01-01 10.301600000000000
1976-01-01 11.554100000000000
1977-01-01 13.516800000000000
1978-01-01 15.189900000000000
1979-01-01 14.826600000000000
1980-01-01 14.378500000000000
1981-01-01 15.266900000000000
1982-01-01 12.982300000000000
1983-01-01 11.880700000000000
1984-01-01 5.683430000000000
1985-01-01 5.898160000000000
1986-01-01 10.555700000000000
1987-01-01 13.334900000000000
1988-01-01 15.018700000000000
1989-01-01 17.186800000000000
1990-01-01 19.959300000000000
1991-01-01 24.394500000000000
1992-01-01 31.279300000000000
1993-01-01 39.489500000000000
1994-01-01 45.142900000000000
1995-01-01 46.254600000000000
1996-01-01 50.546100000000000
1997-01-01 56.214400000000000
1998-01-01 61.822900000000000
1999-01-01 65.509300000000000
2000-01-01 61.803999999999995
2001-01-01 58.233999999999995
2002-01-01 54.418500000000000
2003-01-01 50.947400000000000
2004-01-01 46.606900000000000
2005-01-01 43.214200000000000
2006-01-01 37.050500000000000
2007-01-01 35.090100000000000
2008-01-01 32.538400000000000
2009-01-01 34.194100000000000
2010-01-01 34.201900000000000
2011-01-01 34.585600000000000
2012-01-01 36.337700000000000
2013-01-01 38.378000000000000
2014-01-01 41.710000000000000
2015-01-01 48.480800000000000
2016-01-01 54.901300000000000