Year	Percent
1960-01-01	106.18400000000000
1961-01-01	106.71000000000000
1962-01-01	109.38000000000000
1963-01-01	108.73500000000000
1964-01-01	107.40799999999999
1965-01-01	107.74000000000000
1966-01-01	108.72300000000000
1967-01-01	109.21400000000000
1968-01-01	102.90200000000000
1969-01-01	100.93799999999999
1970-01-01	105.51299999999999
1971-01-01	106.39299999999999
1972-01-01	105.33500000000000
1973-01-01	105.56299999999999
1974-01-01	103.91700000000000
1975-01-01	98.42770000000000
1976-01-01	94.94100000000000
1977-01-01	95.40860000000000
1978-01-01	97.13820000000000
1979-01-01	95.38900000000000
1980-01-01	90.62230000000000
1981-01-01	86.18090000000000
1982-01-01	83.50940000000000
1983-01-01	78.72130000000000
1984-01-01	76.80470000000000
1985-01-01	77.76360000000000
1986-01-01	85.94470000000000
1987-01-01	94.06970000000000
1988-01-01	91.09550000000000
1989-01-01	93.14600000000000
1990-01-01	96.97570000000000
1991-01-01	86.36340000000000
1992-01-01	76.70870000000000
1993-01-01	64.82210000000000
1994-01-01	56.75600000000000
1995-01-01	57.97910000000000
1996-01-01	57.19410000000000
1997-01-01	57.02840000000000
1998-01-01	60.00030000000000
1999-01-01	64.42800000000000
2000-01-01	173.65900000000002
2001-01-01	296.36700000000000
2002-01-01	303.81900000000000
2003-01-01	304.30800000000000
2004-01-01	301.68400000000000
2005-01-01	296.12200000000000
2006-01-01	299.68300000000000
2007-01-01	306.23800000000000
2008-01-01	310.30900000000000
2009-01-01	331.81500000000000
2010-01-01	359.16800000000000
2011-01-01	367.07700000000000
2012-01-01	364.44300000000004
2013-01-01	351.55500000000000
2014-01-01	334.82099999999997
2015-01-01	319.24600000000000
2016-01-01	305.10200000000003