Annual Percent
1960-01-01 36.477500000000000
1961-01-01 35.918500000000000
1962-01-01 37.609300000000000
1963-01-01 37.679300000000000
1964-01-01 33.532900000000000
1965-01-01 30.696900000000000
1966-01-01 30.737400000000000
1967-01-01 33.781400000000000
1968-01-01 37.249400000000000
1969-01-01 35.971300000000000
1970-01-01 35.624100000000000
1971-01-01 33.506300000000000
1972-01-01 32.881300000000000
1973-01-01 29.463200000000000
1974-01-01 27.494600000000000
1975-01-01 22.150600000000000
1976-01-01 20.953000000000003
1977-01-01 19.788900000000000
1978-01-01 19.681300000000000
1979-01-01 19.903900000000000
1980-01-01 20.222900000000000
1981-01-01 18.651900000000000
1982-01-01 16.746500000000000
1983-01-01 18.475100000000000
1984-01-01 19.678700000000000
1985-01-01 21.485200000000000
1986-01-01 22.716500000000000
1987-01-01 23.298100000000000
1988-01-01 25.977300000000000
1989-01-01 29.164300000000000
1990-01-01 32.593100000000000
1991-01-01 34.491900000000000
1992-01-01 37.659100000000000
1993-01-01 38.759100000000000
1994-01-01 37.622500000000000
1995-01-01 37.461999999999996
1996-01-01 36.495700000000000
1997-01-01 35.741200000000000
1998-01-01 35.853000000000000
1999-01-01 38.683100000000000
2000-01-01 40.573100000000000
2001-01-01 40.511500000000000
2002-01-01 43.768500000000000
2003-01-01 50.424700000000000
2004-01-01 53.328000000000000
2005-01-01 59.493900000000000
2006-01-01 77.125100000000000
2007-01-01 85.065700000000000
2008-01-01 89.291900000000000
2009-01-01 100.116000000000000
2010-01-01 95.126600000000000
2011-01-01 88.294300000000000
2012-01-01 85.193900000000000
2013-01-01 79.813100000000000
2014-01-01 78.649500000000000
2015-01-01 75.289300000000000
2016-01-01 68.685500000000000