Annual Percent
1961-01-01 74.903200000000000
1962-01-01 72.772400000000000
1963-01-01 70.639000000000000
1964-01-01 70.591500000000000
1965-01-01 69.273600000000000
1966-01-01 68.477400000000000
1967-01-01 67.122600000000000
1968-01-01 66.454000000000000
1969-01-01 65.995400000000000
1970-01-01 62.591200000000000
1971-01-01 60.461900000000000
1972-01-01 63.217800000000000
1973-01-01 65.742700000000000
1974-01-01 73.839800000000000
1975-01-01 83.794000000000000
1976-01-01 88.976800000000000
1977-01-01 91.267500000000000
1978-01-01 91.267500000000000
1979-01-01 81.530900000000000
1980-01-01 69.756100000000000
1981-01-01 53.221300000000000
1982-01-01 44.686500000000000
1983-01-01 45.737100000000000
1984-01-01 45.737100000000000
1985-01-01 45.737100000000000
1986-01-01 43.486999999999995
1987-01-01 40.161700000000000
1988-01-01 36.819600000000000
1989-01-01 37.806800000000000
1990-01-01 41.361600000000000
1991-01-01 46.202200000000000
1992-01-01 51.727000000000000
1993-01-01 57.197600000000000
1994-01-01 54.775300000000000
1995-01-01 50.983200000000000
1996-01-01 50.888200000000000
1997-01-01 53.126900000000000
1998-01-01 55.041200000000000
1999-01-01 57.211500000000000
2000-01-01 68.099700000000000
2001-01-01 76.208900000000000
2002-01-01 76.524300000000000
2003-01-01 77.482100000000000
2004-01-01 82.363200000000000
2005-01-01 86.939800000000000
2006-01-01 90.064900000000000
2007-01-01 92.602600000000000
2008-01-01 94.289100000000000
2009-01-01 95.393999999999990
2010-01-01 95.219400000000000
2011-01-01 95.343600000000000
2012-01-01 96.074700000000000
2013-01-01 96.555400000000000
2014-01-01 97.157600000000000
2015-01-01 97.024100000000000
2016-01-01 96.684500000000000