Annual Percent
1960-01-01 61.928100000000000
1961-01-01 66.333400000000000
1962-01-01 69.537300000000000
1963-01-01 64.378300000000000
1964-01-01 46.521700000000000
1965-01-01 34.772200000000000
1966-01-01 26.917100000000000
1967-01-01 24.371100000000000
1968-01-01 28.278000000000002
1969-01-01 39.240500000000000
1970-01-01 54.495500000000000
1971-01-01 63.846100000000000
1972-01-01 70.161400000000000
1973-01-01 83.648700000000000
1974-01-01 76.616300000000000
1975-01-01 70.645800000000000
1976-01-01 100.684000000000000
1977-01-01 138.647000000000020
1978-01-01 154.889000000000000
1979-01-01 123.914000000000000
1980-01-01 87.696200000000000
1981-01-01 75.207700000000000
1982-01-01 62.301800000000000
1983-01-01 51.052700000000000
1984-01-01 41.561500000000000
1985-01-01 36.169700000000000
1986-01-01 35.776700000000000
1987-01-01 33.129100000000000
1988-01-01 31.694900000000000
1989-01-01 31.209100000000000
1990-01-01 41.779300000000000
1991-01-01 60.556000000000004
1992-01-01 73.172900000000000
1993-01-01 77.583800000000000
1994-01-01 70.423400000000000
1995-01-01 66.887500000000000
1996-01-01 71.138400000000000
1997-01-01 81.287600000000000
1998-01-01 83.332900000000000
1999-01-01 68.457600000000000
2000-01-01 55.902000000000000
2001-01-01 56.017800000000000
2002-01-01 63.511800000000000
2003-01-01 68.143300000000000
2004-01-01 61.889800000000000
2005-01-01 60.945700000000000
2006-01-01 58.190300000000000
2007-01-01 50.318200000000000
2008-01-01 45.176300000000000
2009-01-01 40.785300000000000
2010-01-01 37.938500000000000
2011-01-01 41.105400000000000
2012-01-01 45.123999999999995
2013-01-01 49.292800000000000
2014-01-01 53.958700000000000
2015-01-01 54.846600000000000
2016-01-01 56.409900000000000