Annual Percent
1975-01-01 2.690090000000000
1976-01-01 5.398800000000000
1977-01-01 8.578600000000000
1978-01-01 9.636289999999999
1979-01-01 9.323260000000001
1980-01-01 10.214600000000000
1981-01-01 12.210400000000000
1982-01-01 14.965100000000000
1983-01-01 16.284600000000000
1984-01-01 15.404400000000000
1985-01-01 17.342000000000000
1986-01-01 17.885500000000000
1987-01-01 19.537700000000000
1988-01-01 24.063700000000000
1989-01-01 27.523800000000000
1990-01-01 27.670000000000000
1991-01-01 24.264500000000000
1992-01-01 23.333700000000000
1993-01-01 22.143000000000000
1994-01-01 25.692500000000000
1995-01-01 31.857200000000000
1996-01-01 33.575900000000000
1997-01-01 37.598800000000000
1998-01-01 39.523100000000000
1999-01-01 37.733800000000000
2000-01-01 37.413700000000000
2001-01-01 37.888900000000000
2002-01-01 38.251800000000000
2003-01-01 40.618900000000000
2004-01-01 39.619300000000000
2005-01-01 41.240700000000000
2006-01-01 45.859500000000000
2007-01-01 47.923800000000000
2008-01-01 51.981500000000000
2009-01-01 47.847000000000000
2010-01-01 40.452300000000000
2011-01-01 34.787200000000000
2012-01-01 31.524700000000000
2013-01-01 30.496300000000000
2014-01-01 30.254500000000000
2015-01-01 31.418900000000000
2016-01-01 34.956400000000000