Annual Percent
1974-01-01 9.670960000000001
1975-01-01 8.254910000000000
1976-01-01 8.581380000000001
1977-01-01 9.224860000000001
1978-01-01 9.360130000000000
1979-01-01 10.145200000000000
1980-01-01 9.323490000000000
1981-01-01 10.160700000000000
1982-01-01 11.060300000000000
1983-01-01 12.027500000000000
1984-01-01 13.626700000000000
1985-01-01 15.080900000000000
1986-01-01 15.080900000000000
1987-01-01 15.080900000000000
1988-01-01 15.080900000000000
1989-01-01 15.080900000000000
1990-01-01 15.080900000000000
1991-01-01 15.080900000000000
1992-01-01 15.080900000000000
1993-01-01 19.057200000000000
1994-01-01 18.220500000000000
1995-01-01 19.958900000000000
1996-01-01 21.614100000000000
1997-01-01 22.907500000000000
1998-01-01 23.577200000000000
1999-01-01 23.841100000000000
2000-01-01 24.991200000000000
2001-01-01 30.465300000000000
2002-01-01 36.172600000000000
2003-01-01 37.130800000000000
2004-01-01 38.299700000000000
2005-01-01 39.932500000000000
2006-01-01 40.758000000000000
2007-01-01 41.555400000000000
2008-01-01 43.580900000000000
2009-01-01 45.392300000000000
2010-01-01 47.592800000000000
2011-01-01 50.748700000000000
2012-01-01 51.289700000000000
2013-01-01 52.375900000000000
2014-01-01 54.646700000000000
2015-01-01 55.705600000000000
2016-01-01 55.865400000000000