Year	Percent
1960-01-01	123.65000000000000
1961-01-01	125.12500000000000
1962-01-01	136.59000000000000
1963-01-01	145.57500000000000
1964-01-01	144.80100000000002
1965-01-01	143.22100000000000
1966-01-01	139.79300000000000
1967-01-01	132.50900000000000
1968-01-01	129.88800000000000
1969-01-01	134.32100000000000
1970-01-01	138.32800000000000
1971-01-01	139.90500000000000
1972-01-01	141.19700000000000
1973-01-01	143.27800000000000
1974-01-01	143.91899999999998
1975-01-01	139.25100000000000
1976-01-01	136.24200000000002
1977-01-01	136.87600000000000
1978-01-01	136.96500000000000
1979-01-01	141.71800000000000
1980-01-01	149.59100000000000
1981-01-01	155.48000000000000
1982-01-01	156.89400000000000
1983-01-01	157.24200000000002
1984-01-01	159.34600000000000
1985-01-01	159.53900000000000
1986-01-01	157.74200000000002
1987-01-01	155.49000000000000
1988-01-01	154.52400000000000
1989-01-01	156.03200000000000
1990-01-01	156.62500000000000
1991-01-01	158.49800000000000
1992-01-01	163.80700000000002
1993-01-01	163.34700000000000
1994-01-01	165.78900000000002
1995-01-01	170.78900000000002
1996-01-01	171.19600000000000
1997-01-01	173.80400000000000
1998-01-01	177.78799999999998
1999-01-01	125.40799999999999
2000-01-01	130.53100000000000
2001-01-01	187.01300000000000
2002-01-01	183.44099999999997
2003-01-01	176.37000000000000
2004-01-01	170.65700000000000
2005-01-01	164.75700000000000
2006-01-01	157.98700000000000
2007-01-01	147.86600000000000
2008-01-01	137.35600000000000
2009-01-01	132.51000000000000
2010-01-01	124.83400000000000
2011-01-01	115.67700000000000
2012-01-01	109.94700000000000
2013-01-01	105.12799999999999
2014-01-01	101.01000000000000
2015-01-01	96.68750000000000
2016-01-01	93.42680000000000