Annual Percent
1970-01-01 9.804170000000000
1971-01-01 9.684289999999999
1972-01-01 10.468200000000000
1973-01-01 9.910180000000000
1974-01-01 11.079800000000000
1975-01-01 12.042900000000000
1976-01-01 11.708000000000000
1977-01-01 12.729200000000000
1978-01-01 13.450999999999999
1979-01-01 12.939300000000000
1980-01-01 16.080000000000000
1981-01-01 21.892800000000000
1982-01-01 27.765100000000000
1983-01-01 25.671600000000000
1984-01-01 20.698400000000000
1985-01-01 21.403600000000000
1986-01-01 24.656100000000000
1987-01-01 28.449300000000000
1988-01-01 30.809000000000000
1989-01-01 30.820700000000000
1990-01-01 29.137900000000000
1991-01-01 29.961300000000000
1992-01-01 28.189400000000000
1993-01-01 25.041400000000000
1994-01-01 35.837600000000000
1995-01-01 26.475900000000000
1996-01-01 28.735700000000000
1997-01-01 28.767100000000000
1998-01-01 28.164200000000000
1999-01-01 30.955600000000000
2000-01-01 33.735000000000000
2001-01-01 33.112400000000000
2002-01-01 33.561200000000000
2003-01-01 34.461000000000000
2004-01-01 37.551000000000000
2005-01-01 34.815300000000000
2006-01-01 37.079000000000000
2007-01-01 34.895800000000000
2008-01-01 30.261500000000000
2009-01-01 32.764700000000000
2010-01-01 36.914200000000000
2011-01-01 33.644700000000000
2012-01-01 30.541999999999998
2013-01-01 32.895800000000000
2014-01-01 33.487300000000000
2015-01-01 33.854000000000000
2016-01-01 35.147400000000000