Annual Percent
1973-01-01 26.170400000000000
1974-01-01 27.687900000000000
1975-01-01 29.673000000000002
1976-01-01 30.834000000000000
1977-01-01 31.886200000000000
1978-01-01 34.582000000000000
1979-01-01 32.448700000000000
1980-01-01 32.144600000000000
1981-01-01 34.734300000000000
1982-01-01 37.555200000000000
1983-01-01 37.455100000000000
1984-01-01 33.134100000000000
1985-01-01 30.717700000000000
1986-01-01 32.295800000000000
1987-01-01 32.625600000000000
1988-01-01 29.010200000000000
1989-01-01 29.098100000000000
1990-01-01 26.498800000000000
1991-01-01 16.397800000000000
1992-01-01 17.062100000000000
1993-01-01 18.605000000000000
1994-01-01 18.916300000000000
1995-01-01 19.116300000000000
1996-01-01 20.167900000000000
1997-01-01 21.910300000000000
1998-01-01 22.685900000000000
1999-01-01 25.430400000000000
2000-01-01 27.646200000000000
2001-01-01 31.924500000000000
2002-01-01 33.528100000000000
2003-01-01 31.270800000000000
2004-01-01 25.822000000000000
2005-01-01 20.143100000000000
2006-01-01 19.461000000000000
2007-01-01 19.503200000000000
2008-01-01 21.516900000000000
2009-01-01 23.447900000000000
2010-01-01 23.811500000000000
2011-01-01 24.314800000000000
2012-01-01 24.721400000000000
2013-01-01 26.114100000000000
2014-01-01 27.118400000000000
2015-01-01 28.539600000000000
2016-01-01 30.343300000000000