Annual Percent
1960-01-01 17.900000000000000
1961-01-01 20.700000000000000
1962-01-01 24.550000000000000
1963-01-01 13.700000000000000
1964-01-01 11.233300000000000
1965-01-01 10.862500000000000
1966-01-01 11.520000000000000
1967-01-01 12.841700000000000
1968-01-01 15.421400000000000
1969-01-01 18.943800000000000
1970-01-01 14.926500000000000
1971-01-01 13.077700000000000
1972-01-01 12.212600000000000
1973-01-01 11.934400000000000
1974-01-01 14.399600000000000
1975-01-01 10.345800000000000
1976-01-01 8.071830000000000
1977-01-01 11.046700000000000
1978-01-01 12.985300000000000
1979-01-01 14.918100000000000
1980-01-01 17.298700000000000
1981-01-01 21.496300000000000
1982-01-01 20.933900000000000
1983-01-01 16.090000000000000
1984-01-01 13.327600000000000
1985-01-01 9.728810000000001
1986-01-01 12.054500000000000
1987-01-01 13.160900000000000
1988-01-01 11.444000000000000
1989-01-01 18.636000000000000
1990-01-01 8.058810000000001
1991-01-01 8.547950000000000
1992-01-01 11.758800000000000
1993-01-01 15.261200000000000
1994-01-01 17.097300000000000
1995-01-01 18.515300000000000
1996-01-01 18.033900000000000
1997-01-01 18.764500000000000
1998-01-01 21.039800000000000
1999-01-01 23.203900000000000
2000-01-01 22.446100000000000
2001-01-01 21.232900000000000
2002-01-01 15.374700000000000
2003-01-01 10.846500000000000
2004-01-01 9.011200000000000
2005-01-01 9.358360000000001
2006-01-01 10.289600000000000
2007-01-01 11.302200000000000
2008-01-01 11.266800000000000
2009-01-01 11.880200000000000
2010-01-01 11.007300000000000
2011-01-01 11.843100000000000
2012-01-01 13.392300000000000
2013-01-01 13.857100000000000
2014-01-01 12.662600000000000
2015-01-01 12.737400000000000
2016-01-01 12.315700000000000