Annual Percent
1962-01-01 98.54600000000000
1963-01-01 95.75980000000000
1964-01-01 94.17180000000000
1965-01-01 94.78940000000000
1966-01-01 92.67770000000000
1967-01-01 93.02320000000000
1968-01-01 98.05370000000000
1969-01-01 99.97880000000000
1970-01-01 99.99100000000000
1971-01-01 99.99160000000000
1972-01-01 99.98490000000000
1973-01-01 99.99330000000000
1974-01-01 99.99330000000000
1975-01-01 99.99330000000000
1976-01-01 99.99840000000000
1977-01-01 97.92790000000000
1978-01-01 95.24500000000000
1979-01-01 93.99830000000000
1980-01-01 93.23620000000000
1981-01-01 92.88740000000000
1982-01-01 91.17190000000000
1983-01-01 88.63570000000000
1984-01-01 87.03750000000000
1985-01-01 87.76660000000000
1986-01-01 89.27690000000000
1987-01-01 87.99770000000000
1988-01-01 87.13890000000000
1989-01-01 88.46700000000001
1990-01-01 89.24450000000000
1991-01-01 87.41920000000000
1992-01-01 84.02400000000000
1993-01-01 81.13450000000000
1994-01-01 75.16270000000000
1995-01-01 68.07470000000000
1996-01-01 65.90240000000000
1997-01-01 68.77790000000000
1998-01-01 70.07120000000000
1999-01-01 68.44450000000000
2000-01-01 68.44470000000000
2001-01-01 71.67640000000000
2002-01-01 74.91380000000000
2003-01-01 78.45980000000000
2004-01-01 81.56730000000000
2005-01-01 84.55690000000000
2006-01-01 89.96060000000000
2007-01-01 93.91700000000000
2008-01-01 94.46710000000000
2009-01-01 91.56930000000000
2010-01-01 89.30430000000000
2011-01-01 90.81690000000000
2012-01-01 91.32900000000000
2013-01-01 92.16270000000000
2014-01-01 93.72200000000001
2015-01-01 94.52540000000000
2016-01-01 94.61210000000000