Annual Percent
1970-01-01 98.48640000000000
1971-01-01 98.52900000000000
1972-01-01 98.71380000000000
1973-01-01 98.16620000000000
1974-01-01 97.27840000000000
1975-01-01 94.45540000000000
1976-01-01 93.46010000000000
1977-01-01 92.81820000000000
1978-01-01 93.60270000000000
1979-01-01 93.14190000000000
1980-01-01 92.18590000000000
1981-01-01 91.31430000000000
1982-01-01 91.17260000000000
1983-01-01 92.12570000000000
1984-01-01 86.81790000000000
1985-01-01 83.50600000000000
1986-01-01 86.55080000000000
1987-01-01 88.78470000000000
1988-01-01 89.69060000000000
1989-01-01 90.00660000000000
1990-01-01 90.06140000000000
1991-01-01 89.97760000000000
1992-01-01 90.59340000000000
1993-01-01 92.80750000000000
1994-01-01 94.61070000000000
1995-01-01 95.38260000000000
1996-01-01 96.10820000000000
1997-01-01 96.92210000000000
1998-01-01 97.52140000000000
1999-01-01 97.90490000000000
2000-01-01 98.39550000000000
2001-01-01 98.80920000000000
2002-01-01 99.22650000000000
2003-01-01 99.07430000000000
2004-01-01 99.24110000000000
2005-01-01 99.82830000000000
2006-01-01 99.84400000000000
2007-01-01 99.72030000000000
2008-01-01 99.56630000000000
2009-01-01 99.66400000000000
2010-01-01 99.78840000000000
2011-01-01 99.13000000000000
2012-01-01 98.43350000000000
2013-01-01 98.66210000000000
2014-01-01 98.76350000000000
2015-01-01 99.02540000000000
2016-01-01 99.74799999999999