Annual Percent
1960-01-01 93.88650000000000
1961-01-01 94.40550000000000
1962-01-01 95.47380000000000
1963-01-01 96.06200000000001
1964-01-01 96.43330000000000
1965-01-01 96.33110000000000
1966-01-01 92.69400000000000
1967-01-01 94.45350000000000
1968-01-01 94.63330000000000
1969-01-01 89.06850000000000
1970-01-01 88.84840000000000
1971-01-01 92.84090000000000
1972-01-01 93.42910000000000
1973-01-01 90.41230000000000
1974-01-01 92.98190000000000
1975-01-01 98.29020000000000
1976-01-01 99.07540000000000
1977-01-01 98.95600000000000
1978-01-01 98.72850000000000
1979-01-01 99.06350000000000
1980-01-01 98.56450000000000
1981-01-01 98.45500000000000
1982-01-01 99.21650000000000
1983-01-01 99.14630000000000
1984-01-01 98.34820000000000
1985-01-01 97.36360000000000
1986-01-01 90.52990000000000
1987-01-01 84.31970000000000
1988-01-01 81.94370000000000
1989-01-01 78.38530000000000
1990-01-01 77.13650000000000
1991-01-01 76.78460000000000
1992-01-01 74.99940000000000
1993-01-01 77.13540000000000
1994-01-01 83.25150000000000
1995-01-01 88.42120000000000
1996-01-01 93.74640000000000
1997-01-01 94.69070000000000
1998-01-01 93.66980000000000
1999-01-01 93.57740000000000
2000-01-01 93.86850000000000
2001-01-01 94.31670000000000
2002-01-01 94.11140000000000
2003-01-01 94.03730000000000
2004-01-01 94.95150000000000
2005-01-01 94.54460000000000
2006-01-01 93.64760000000000
2007-01-01 94.85400000000000
2008-01-01 95.77860000000000
2009-01-01 97.04350000000000
2010-01-01 83.95700000000001
2011-01-01 71.54400000000000
2012-01-01 69.69940000000000
2013-01-01 67.64380000000000
2014-01-01 66.03180000000000
2015-01-01 64.52170000000000
2016-01-01 66.28650000000000