Annual Percent
1960-01-01 18.3582000000000000
1961-01-01 17.9131000000000000
1962-01-01 18.7763000000000000
1963-01-01 19.3909000000000000
1964-01-01 20.8067000000000000
1965-01-01 21.3717000000000000
1966-01-01 21.2792000000000000
1967-01-01 20.7601000000000000
1968-01-01 20.0548000000000000
1969-01-01 18.7309000000000000
1970-01-01 11.6051000000000000
1971-01-01 11.9467000000000000
1972-01-01 13.1811000000000000
1973-01-01 13.2359000000000000
1974-01-01 12.1647000000000000
1975-01-01 14.3948000000000000
1976-01-01 16.1423000000000000
1977-01-01 16.8824000000000000
1978-01-01 12.1405000000000000
1979-01-01 12.3277000000000000
1980-01-01 10.3227000000000000
1981-01-01 9.6315400000000000
1982-01-01 8.7579600000000000
1983-01-01 7.4337100000000005
1984-01-01 6.3387000000000000
1985-01-01 7.2545699999999990
1986-01-01 7.0359000000000000
1987-01-01 7.5999800000000000
1988-01-01 8.1454200000000000
1989-01-01 8.8648100000000000
1990-01-01 8.4426899999999990
1991-01-01 8.0843700000000000
1992-01-01 9.9536500000000000
1993-01-01 11.1622000000000000
1994-01-01 11.3282000000000000
1995-01-01 11.8620000000000000
1996-01-01 11.1067000000000000
1997-01-01 12.8972000000000000
1998-01-01 13.6650000000000000
1999-01-01 13.6701000000000000
2000-01-01 14.2649000000000000
2001-01-01 14.7569000000000000
2002-01-01 15.7534000000000000
2003-01-01 17.3365000000000000
2004-01-01 18.0185000000000000
2005-01-01 17.7189000000000000
2006-01-01 18.4891000000000000
2007-01-01 21.5206000000000000
2008-01-01 23.8335000000000000
2009-01-01 26.3111000000000000
2010-01-01 26.5755000000000000
2011-01-01 27.2552000000000000
2012-01-01 27.5758000000000000
2013-01-01 27.2919000000000000
2014-01-01 28.9600000000000000
2015-01-01 31.3345000000000000
2016-01-01 32.0643000000000000