Annual Percent
1962-01-01 18.834000000000000
1963-01-01 16.600200000000000
1964-01-01 17.408100000000000
1965-01-01 20.877400000000000
1966-01-01 20.486200000000000
1967-01-01 20.677600000000000
1968-01-01 20.030300000000000
1969-01-01 22.413000000000000
1970-01-01 22.556200000000000
1971-01-01 23.547800000000000
1972-01-01 23.922700000000000
1973-01-01 23.862400000000000
1974-01-01 26.211700000000000
1975-01-01 26.802100000000000
1976-01-01 26.983800000000000
1977-01-01 32.067000000000000
1978-01-01 33.435900000000000
1979-01-01 31.867500000000000
1980-01-01 28.179800000000000
1981-01-01 27.743300000000000
1982-01-01 27.454900000000000
1983-01-01 26.940100000000000
1984-01-01 25.942100000000000
1985-01-01 28.116300000000000
1986-01-01 30.357200000000000
1987-01-01 31.403400000000000
1988-01-01 31.307000000000000
1989-01-01 29.221100000000000
1990-01-01 28.986900000000000
1991-01-01 28.650000000000000
1992-01-01 29.044800000000000
1993-01-01 26.805900000000000
1994-01-01 23.644800000000000
1995-01-01 24.905300000000000
1996-01-01 23.675600000000000
1997-01-01 22.890300000000000
1998-01-01 22.810400000000000
1999-01-01 22.497200000000000
2000-01-01 22.076999999999998
2001-01-01 21.554800000000000
2002-01-01 24.601999999999997
2003-01-01 23.675500000000000
2004-01-01 21.209500000000000
2005-01-01 22.469600000000000
2006-01-01 23.759100000000000
2007-01-01 26.624500000000000
2008-01-01 27.521400000000000
2009-01-01 28.383600000000000
2010-01-01 30.896400000000000
2011-01-01 36.445300000000000
2012-01-01 34.602500000000000
2013-01-01 33.695900000000000
2014-01-01 33.863000000000000
2015-01-01 35.976800000000000
2016-01-01 36.625400000000000