Annual Percent
1963-01-01 98.93760000000000
1964-01-01 99.14310000000000
1965-01-01 99.14310000000000
1966-01-01 98.84220000000000
1967-01-01 97.32540000000000
1968-01-01 98.17880000000000
1969-01-01 99.74590000000000
1970-01-01 99.74590000000000
1971-01-01 99.24270000000000
1972-01-01 97.43370000000000
1973-01-01 98.27690000000000
1974-01-01 99.98100000000001
1975-01-01 99.98100000000001
1976-01-01 98.70440000000000
1977-01-01 98.93410000000000
1978-01-01 99.56790000000000
1979-01-01 97.35450000000000
1980-01-01 93.05170000000000
1981-01-01 87.77799999999999
1982-01-01 82.92500000000000
1983-01-01 79.23420000000000
1984-01-01 77.24410000000000
1985-01-01 76.91370000000000
1986-01-01 77.38580000000000
1987-01-01 79.32800000000000
1988-01-01 81.41310000000000
1989-01-01 82.20550000000000
1990-01-01 82.34160000000000
1991-01-01 82.12480000000000
1992-01-01 82.55780000000000
1993-01-01 81.53220000000000
1994-01-01 76.61220000000000
1995-01-01 75.36200000000000
1996-01-01 77.29280000000000
1997-01-01 77.08270000000000
1998-01-01 75.60500000000000
1999-01-01 72.41520000000000
2000-01-01 72.05840000000000
2001-01-01 74.65340000000000
2002-01-01 75.99720000000000
2003-01-01 76.22690000000000
2004-01-01 78.67600000000000
2005-01-01 81.61830000000000
2006-01-01 84.58860000000000
2007-01-01 87.44420000000000
2008-01-01 88.41030000000000
2009-01-01 84.66120000000000
2010-01-01 82.58810000000000
2011-01-01 82.11500000000000
2012-01-01 80.76380000000000
2013-01-01 81.82030000000000
2014-01-01 83.82110000000000
2015-01-01 85.76190000000000
2016-01-01 86.37310000000000