Annual Percent
1960-01-01 73.61960000000000
1961-01-01 69.90370000000000
1962-01-01 67.73750000000000
1963-01-01 62.71940000000000
1964-01-01 60.36210000000000
1965-01-01 62.38980000000000
1966-01-01 63.36720000000000
1967-01-01 59.17920000000000
1968-01-01 56.70080000000000
1969-01-01 60.61240000000000
1970-01-01 62.05100000000000
1971-01-01 69.45450000000000
1972-01-01 75.11810000000000
1973-01-01 76.91980000000000
1974-01-01 78.61680000000000
1975-01-01 80.62840000000000
1976-01-01 82.75690000000000
1977-01-01 84.18320000000000
1978-01-01 85.05330000000000
1979-01-01 85.25260000000000
1980-01-01 83.98720000000000
1981-01-01 82.06790000000000
1982-01-01 80.14330000000000
1983-01-01 77.37560000000000
1984-01-01 76.06380000000000
1985-01-01 78.25510000000000
1986-01-01 83.05330000000000
1987-01-01 85.38090000000000
1988-01-01 86.52940000000000
1989-01-01 89.29050000000000
1990-01-01 91.22350000000000
1991-01-01 88.93910000000000
1992-01-01 88.34010000000000
1993-01-01 91.85700000000001
1994-01-01 92.32700000000001
1995-01-01 93.11540000000000
1996-01-01 94.82010000000000
1997-01-01 94.98980000000000
1998-01-01 95.44270000000000
1999-01-01 95.42110000000000
2000-01-01 95.01410000000000
2001-01-01 94.70260000000000
2002-01-01 94.94480000000000
2003-01-01 90.22530000000000
2004-01-01 79.77710000000000
2005-01-01 68.09890000000000
2006-01-01 58.39120000000000
2007-01-01 55.33320000000000
2008-01-01 57.15310000000000
2009-01-01 59.27180000000000
2010-01-01 61.32310000000000
2011-01-01 62.50740000000000
2012-01-01 63.38500000000000
2013-01-01 64.65270000000000
2014-01-01 65.74720000000000
2015-01-01 66.66070000000000
2016-01-01 67.33870000000000