Annual Percent
1960-01-01 34.770600000000000
1961-01-01 35.491100000000000
1962-01-01 37.773900000000000
1963-01-01 29.457600000000000
1964-01-01 11.070900000000000
1965-01-01 9.379040000000000
1966-01-01 11.443800000000000
1967-01-01 9.177030000000000
1968-01-01 9.818980000000000
1969-01-01 10.976200000000000
1970-01-01 14.948000000000000
1971-01-01 16.880300000000000
1972-01-01 20.825500000000000
1973-01-01 26.592000000000000
1974-01-01 27.008500000000000
1975-01-01 26.204700000000000
1976-01-01 23.965200000000000
1977-01-01 27.434400000000000
1978-01-01 46.601600000000000
1979-01-01 64.832200000000000
1980-01-01 82.111700000000000
1981-01-01 95.793200000000000
1982-01-01 99.994400000000000
1983-01-01 99.995600000000000
1984-01-01 99.998100000000000
1985-01-01 99.998100000000000
1986-01-01 99.998100000000000
1987-01-01 99.998100000000000
1988-01-01 99.998100000000000
1989-01-01 58.931900000000000
1990-01-01 11.293600000000000
1991-01-01 17.663600000000000
1992-01-01 22.922300000000000
1993-01-01 24.409400000000000
1994-01-01 25.022300000000000
1995-01-01 26.593300000000000
1996-01-01 29.923500000000000
1997-01-01 34.615700000000000
1998-01-01 39.498500000000000
1999-01-01 41.483800000000000
2000-01-01 41.093100000000000
2001-01-01 43.677600000000000
2002-01-01 46.070600000000000
2003-01-01 37.075200000000000
2004-01-01 26.171300000000000
2005-01-01 24.404500000000000
2006-01-01 22.635900000000000
2007-01-01 21.870800000000000
2008-01-01 24.348000000000003
2009-01-01 29.040600000000000
2010-01-01 40.295000000000000
2011-01-01 48.456400000000000
2012-01-01 57.233400000000000
2013-01-01 68.040900000000000
2014-01-01 75.220600000000000
2015-01-01 75.758600000000000
2016-01-01 74.251800000000000