Annual Percent
1975-01-01 27.363000000000003
1976-01-01 22.780300000000000
1977-01-01 15.269300000000000
1978-01-01 10.510000000000000
1979-01-01 9.009630000000000
1980-01-01 7.163920000000000
1981-01-01 7.317250000000000
1982-01-01 6.570639999999999
1983-01-01 5.675470000000000
1984-01-01 6.691950000000000
1985-01-01 8.897490000000000
1986-01-01 14.517400000000000
1987-01-01 19.945400000000000
1988-01-01 22.123900000000000
1989-01-01 25.638000000000000
1990-01-01 23.940200000000000
1991-01-01 22.337900000000000
1992-01-01 21.412500000000000
1993-01-01 20.264800000000000
1994-01-01 25.314800000000000
1995-01-01 29.299000000000000
1996-01-01 33.541900000000000
1997-01-01 42.256300000000000
1998-01-01 55.586200000000000
1999-01-01 64.457800000000000
2000-01-01 73.543800000000000
2001-01-01 76.852900000000000
2002-01-01 67.782800000000000
2003-01-01 70.357400000000000
2004-01-01 81.223400000000000
2005-01-01 82.085700000000000
2006-01-01 90.591900000000000
2007-01-01 108.906000000000000
2008-01-01 88.803100000000000
2009-01-01 77.295500000000000
2010-01-01 88.169300000000000
2011-01-01 75.889200000000000
2012-01-01 72.612800000000000
2013-01-01 78.335800000000000
2014-01-01 76.340200000000000
2015-01-01 67.333100000000000
2016-01-01 59.480100000000000
2017-01-01 60.830600000000000