Year	Percent
1960-01-01	95.28240000000000
1961-01-01	90.46930000000000
1962-01-01	92.64980000000000
1963-01-01	93.14030000000000
1964-01-01	91.64640000000000
1965-01-01	93.02570000000000
1966-01-01	92.73290000000000
1967-01-01	101.74200000000000
1968-01-01	102.86100000000000
1969-01-01	104.40100000000001
1970-01-01	103.08500000000000
1971-01-01	99.74640000000000
1972-01-01	95.57780000000000
1973-01-01	92.74840000000000
1974-01-01	86.34950000000000
1975-01-01	87.69730000000000
1976-01-01	92.87799999999999
1977-01-01	98.06610000000000
1978-01-01	103.14000000000000
1979-01-01	107.94400000000000
1980-01-01	93.07990000000000
1981-01-01	96.52910000000000
1982-01-01	105.32300000000000
1983-01-01	116.11300000000000
1984-01-01	117.69200000000001
1985-01-01	121.55799999999999
1986-01-01	123.88600000000001
1987-01-01	129.05700000000002
1988-01-01	134.03000000000000
1989-01-01	139.04500000000000
1990-01-01	142.67100000000000
1991-01-01	145.81000000000000
1992-01-01	146.55400000000000
1993-01-01	146.75900000000000
1994-01-01	146.19299999999998
1995-01-01	149.95100000000000
1996-01-01	149.80600000000000
1997-01-01	148.56400000000000
1998-01-01	147.51100000000000
1999-01-01	150.78300000000000
2000-01-01	146.56100000000000
2001-01-01	141.65500000000000
2002-01-01	141.18800000000000
2003-01-01	142.14900000000000
2004-01-01	143.09900000000000
2005-01-01	145.22500000000000
2006-01-01	147.76700000000000
2007-01-01	150.07600000000000
2008-01-01	150.99200000000002
2009-01-01	154.96000000000000
2010-01-01	155.74900000000000
2011-01-01	157.86300000000000
2012-01-01	162.99700000000000
2013-01-01	166.22299999999998
2014-01-01	167.70400000000000
2015-01-01	169.20400000000000
2016-01-01	172.47299999999998