Annual Percent
1970-01-01 111.643999999999990
1971-01-01 90.100500000000000
1972-01-01 79.290800000000000
1973-01-01 68.110800000000000
1974-01-01 53.350800000000000
1975-01-01 55.373000000000005
1976-01-01 45.403999999999996
1977-01-01 41.066100000000000
1978-01-01 36.271400000000000
1979-01-01 35.302800000000000
1980-01-01 32.087300000000000
1981-01-01 32.828900000000000
1982-01-01 31.243800000000000
1983-01-01 29.837400000000000
1984-01-01 29.824500000000000
1985-01-01 30.991400000000000
1986-01-01 34.553100000000000
1987-01-01 35.772900000000000
1988-01-01 38.810200000000000
1989-01-01 40.091200000000000
1990-01-01 41.485800000000000
1991-01-01 41.096200000000000
1992-01-01 42.374600000000000
1993-01-01 48.612800000000000
1994-01-01 54.919500000000000
1995-01-01 58.953100000000000
1996-01-01 60.757000000000000
1997-01-01 62.362100000000000
1998-01-01 61.261000000000000
1999-01-01 64.128200000000000
2000-01-01 67.928600000000000
2001-01-01 76.947900000000000
2002-01-01 82.654900000000000
2003-01-01 81.870100000000000
2004-01-01 91.537700000000000
2005-01-01 82.691900000000000
2006-01-01 80.529000000000000
2007-01-01 79.284800000000000
2008-01-01 80.787900000000000
2009-01-01 88.970600000000000
2010-01-01 94.441800000000000
2011-01-01 94.442600000000000
2012-01-01 89.169900000000000
2013-01-01 83.567300000000000
2014-01-01 81.066400000000000
2015-01-01 78.513300000000000
2016-01-01 79.010400000000000