Annual Percent
1960-01-01 25.210200000000000
1961-01-01 25.613700000000000
1962-01-01 26.834600000000000
1963-01-01 27.525400000000000
1964-01-01 28.163200000000000
1965-01-01 26.428900000000000
1966-01-01 20.838700000000000
1967-01-01 19.012600000000000
1968-01-01 17.026500000000000
1969-01-01 16.481300000000000
1970-01-01 17.965900000000000
1971-01-01 18.595600000000000
1972-01-01 18.634500000000000
1973-01-01 16.737000000000002
1974-01-01 14.206200000000000
1975-01-01 13.134800000000000
1976-01-01 16.660300000000000
1977-01-01 21.182500000000000
1978-01-01 24.400200000000000
1979-01-01 24.957200000000000
1980-01-01 28.393200000000000
1981-01-01 33.806100000000000
1982-01-01 45.926900000000000
1983-01-01 48.695200000000000
1984-01-01 42.636200000000000
1985-01-01 39.397600000000000
1986-01-01 36.921100000000000
1987-01-01 34.316800000000000
1988-01-01 35.152600000000000
1989-01-01 38.453500000000000
1990-01-01 36.658400000000000
1991-01-01 34.642700000000000
1992-01-01 33.014700000000000
1993-01-01 30.863000000000003
1994-01-01 28.082600000000000
1995-01-01 28.697600000000000
1996-01-01 28.828200000000000
1997-01-01 30.283900000000000
1998-01-01 32.648600000000000
1999-01-01 37.835400000000000
2000-01-01 41.487400000000000
2001-01-01 45.536700000000000
2002-01-01 52.051200000000000
2003-01-01 51.867500000000000
2004-01-01 46.495900000000000
2005-01-01 42.922900000000000
2006-01-01 41.594300000000000
2007-01-01 39.086100000000000
2008-01-01 39.460800000000000
2009-01-01 39.602200000000000
2010-01-01 38.505600000000000
2011-01-01 40.393700000000000
2012-01-01 40.924400000000000
2013-01-01 41.661600000000000
2014-01-01 44.205100000000000
2015-01-01 49.062300000000000
2016-01-01 51.572300000000000