Annual Percent
1960-01-01 68.359800000000000
1961-01-01 76.615200000000000
1962-01-01 85.544600000000000
1963-01-01 86.917800000000000
1964-01-01 86.143800000000000
1965-01-01 81.543400000000000
1966-01-01 80.021300000000000
1967-01-01 80.771700000000000
1968-01-01 83.317400000000000
1969-01-01 81.143800000000000
1970-01-01 73.253900000000000
1971-01-01 69.675600000000000
1972-01-01 68.858500000000000
1973-01-01 68.731400000000000
1974-01-01 70.238900000000000
1975-01-01 69.560300000000000
1976-01-01 70.130600000000000
1977-01-01 71.163300000000000
1978-01-01 67.080000000000000
1979-01-01 63.654500000000000
1980-01-01 62.936500000000000
1981-01-01 62.529200000000000
1982-01-01 65.594100000000000
1983-01-01 65.806400000000000
1984-01-01 64.201600000000000
1985-01-01 62.665400000000000
1986-01-01 62.665400000000000
1987-01-01 62.665400000000000
1988-01-01 62.665400000000000
1989-01-01 62.665400000000000
1990-01-01 46.912500000000000
1991-01-01 48.294700000000000
1992-01-01 53.810600000000000
1993-01-01 55.111000000000004
1994-01-01 55.819800000000000
1995-01-01 58.441700000000000
1996-01-01 62.080700000000000
1997-01-01 74.896400000000000
1998-01-01 85.668300000000000
1999-01-01 87.310800000000000
2000-01-01 86.465100000000000
2001-01-01 81.842700000000000
2002-01-01 77.178600000000000
2003-01-01 75.407300000000000
2004-01-01 74.473800000000000
2005-01-01 73.770300000000000
2006-01-01 73.624100000000000
2007-01-01 77.624100000000000
2008-01-01 85.100100000000000
2009-01-01 91.310500000000000
2010-01-01 84.880100000000000
2011-01-01 78.563100000000000
2012-01-01 80.595900000000000
2013-01-01 79.889400000000000
2014-01-01 77.330900000000000
2015-01-01 73.792700000000000
2016-01-01 71.277900000000000