Annual Percent
1972-01-01 15.085200000000000
1973-01-01 16.038100000000000
1974-01-01 15.502000000000000
1975-01-01 15.559400000000000
1976-01-01 15.968700000000000
1977-01-01 18.316400000000000
1978-01-01 21.551800000000000
1979-01-01 17.274900000000000
1980-01-01 13.038600000000000
1981-01-01 14.546200000000000
1982-01-01 18.255700000000000
1983-01-01 21.744600000000000
1984-01-01 22.872800000000000
1985-01-01 23.826000000000000
1986-01-01 28.796500000000000
1987-01-01 27.021200000000000
1988-01-01 29.362300000000000
1989-01-01 28.303100000000000
1990-01-01 24.902400000000000
1991-01-01 27.608800000000000
1992-01-01 26.211900000000000
1993-01-01 26.953000000000003
1994-01-01 27.374400000000000
1995-01-01 27.471400000000000
1996-01-01 26.776100000000000
1997-01-01 30.117600000000000
1998-01-01 38.698200000000000
1999-01-01 36.681500000000000
2000-01-01 32.051100000000000
2001-01-01 33.839000000000000
2002-01-01 35.224900000000000
2003-01-01 34.189000000000000
2004-01-01 30.777100000000000
2005-01-01 27.675500000000000
2006-01-01 28.477300000000000
2007-01-01 32.573000000000000
2008-01-01 29.489500000000000
2009-01-01 41.063300000000000
2010-01-01 36.891800000000000
2011-01-01 35.691200000000000
2012-01-01 35.193600000000000
2013-01-01 37.318600000000000
2014-01-01 40.292800000000000
2015-01-01 52.761300000000000
2016-01-01 60.173400000000000