Annual Percent
1976-01-01 2.2986299999999997
1977-01-01 2.2081700000000000
1978-01-01 1.9744900000000000
1979-01-01 2.0763599999999998
1980-01-01 2.3794400000000000
1981-01-01 2.6447300000000000
1982-01-01 2.4788799999999998
1983-01-01 2.4298200000000000
1984-01-01 2.0694300000000000
1985-01-01 1.8664700000000000
1986-01-01 1.6071400000000000
1987-01-01 1.7225000000000000
1988-01-01 2.1798900000000003
1989-01-01 2.7503300000000000
1990-01-01 3.7294099999999997
1991-01-01 4.1593900000000000
1992-01-01 3.9577500000000000
1993-01-01 10.2343000000000000
1994-01-01 16.2361000000000000
1995-01-01 19.5908000000000000
1996-01-01 21.5772000000000000
1997-01-01 23.9383000000000000
1998-01-01 25.3427000000000000
1999-01-01 29.3233000000000000
2000-01-01 34.2664000000000000
2001-01-01 34.1297000000000000
2002-01-01 35.2000000000000000
2003-01-01 36.3931000000000000
2004-01-01 38.1393000000000000
2005-01-01 38.5622000000000000
2006-01-01 40.4694000000000000
2007-01-01 42.3953000000000000
2008-01-01 46.5988000000000000
2009-01-01 53.9376000000000000
2010-01-01 58.6105000000000000
2011-01-01 61.8542000000000000
2012-01-01 63.9811000000000000
2013-01-01 62.6413000000000000
2014-01-01 62.6020000000000000
2015-01-01 61.1233000000000000
2016-01-01 59.8940000000000000