Annual Percent
1973-01-01 25.880100000000000
1974-01-01 20.656200000000000
1975-01-01 18.656500000000000
1976-01-01 21.125900000000000
1977-01-01 23.473200000000000
1978-01-01 23.664600000000000
1979-01-01 23.846500000000000
1980-01-01 23.210100000000000
1981-01-01 23.078000000000003
1982-01-01 23.416999999999998
1983-01-01 25.466300000000000
1984-01-01 24.891500000000000
1985-01-01 25.018700000000000
1986-01-01 27.356600000000000
1987-01-01 29.225900000000000
1988-01-01 28.316900000000000
1989-01-01 26.652800000000000
1990-01-01 25.233400000000000
1991-01-01 24.078800000000000
1992-01-01 26.382600000000000
1993-01-01 29.540300000000000
1994-01-01 28.883800000000000
1995-01-01 27.914400000000000
1996-01-01 28.658100000000000
1997-01-01 29.911700000000000
1998-01-01 29.927300000000000
1999-01-01 28.100800000000000
2000-01-01 28.002000000000000
2001-01-01 27.780700000000000
2002-01-01 30.503500000000000
2003-01-01 33.384000000000000
2004-01-01 34.020100000000000
2005-01-01 34.959300000000000
2006-01-01 34.661200000000000
2007-01-01 36.373200000000000
2008-01-01 38.653200000000000
2009-01-01 35.231400000000000
2010-01-01 36.574400000000000
2011-01-01 33.704800000000000
2012-01-01 36.628900000000000
2013-01-01 36.883200000000000
2014-01-01 37.043900000000000
2015-01-01 39.899300000000000
2016-01-01 43.144300000000000