Year	Percent
1960-01-01	98.20010000000000
1961-01-01	91.82240000000000
1962-01-01	93.68780000000000
1963-01-01	94.82710000000000
1964-01-01	93.63900000000000
1965-01-01	96.55410000000000
1966-01-01	97.64100000000000
1967-01-01	107.83800000000000
1968-01-01	110.75500000000000
1969-01-01	116.66900000000000
1970-01-01	121.72600000000000
1971-01-01	119.11399999999999
1972-01-01	112.52900000000000
1973-01-01	109.63000000000000
1974-01-01	107.72300000000000
1975-01-01	115.62200000000001
1976-01-01	121.26000000000000
1977-01-01	126.41100000000000
1978-01-01	131.51500000000000
1979-01-01	140.92000000000000
1980-01-01	122.03200000000001
1981-01-01	125.69100000000000
1982-01-01	131.01800000000000
1983-01-01	122.68299999999999
1984-01-01	115.34200000000001
1985-01-01	120.95900000000000
1986-01-01	119.02700000000000
1987-01-01	122.94400000000000
1988-01-01	126.10600000000001
1989-01-01	127.75299999999999
1990-01-01	126.64800000000000
1991-01-01	124.86100000000000
1992-01-01	124.44800000000000
1993-01-01	126.23000000000000
1994-01-01	126.90000000000000
1995-01-01	129.07500000000000
1996-01-01	135.03500000000000
1997-01-01	143.04399999999998
1998-01-01	146.40700000000000
1999-01-01	155.84500000000000
2000-01-01	146.74800000000000
2001-01-01	136.11200000000000
2002-01-01	139.23200000000000
2003-01-01	142.41200000000000
2004-01-01	143.53200000000000
2005-01-01	146.35500000000000
2006-01-01	149.10600000000000
2007-01-01	147.07600000000000
2008-01-01	145.99500000000000
2009-01-01	149.77500000000000
2010-01-01	150.18800000000000
2011-01-01	157.77000000000000
2012-01-01	173.29600000000000
2013-01-01	182.58900000000003
2014-01-01	186.58700000000002
2015-01-01	188.48700000000000
2016-01-01	190.30500000000000