Year	Percent
1960-01-01	207.91000000000000
1961-01-01	137.91899999999998
1962-01-01	116.66700000000000
1963-01-01	109.64500000000000
1964-01-01	78.00370000000000
1965-01-01	71.68280000000000
1966-01-01	43.28570000000000
1967-01-01	20.88680000000000
1968-01-01	105.27900000000000
1969-01-01	202.26000000000000
1970-01-01	265.24600000000000
1971-01-01	290.44400000000000
1972-01-01	306.75200000000000
1973-01-01	338.76099999999997
1974-01-01	322.86200000000000
1975-01-01	348.86100000000000
1976-01-01	427.31900000000000
1977-01-01	421.65300000000000
1978-01-01	348.19000000000000
1979-01-01	339.89099999999996
1980-01-01	365.93100000000000
1981-01-01	375.55300000000005
1982-01-01	363.29900000000004
1983-01-01	309.56400000000000
1984-01-01	171.28500000000000
1985-01-01	120.65400000000000
1986-01-01	141.85200000000000
1987-01-01	145.25300000000000
1988-01-01	117.77100000000000
1989-01-01	99.93790000000000
1990-01-01	103.10799999999999
1991-01-01	96.35930000000000
1992-01-01	94.22190000000000
1993-01-01	92.06780000000000
1994-01-01	73.08680000000000
1995-01-01	72.72890000000000
1996-01-01	87.93910000000000
1997-01-01	89.25730000000000
1998-01-01	101.64900000000000
1999-01-01	116.10500000000000
2000-01-01	114.31800000000000
2001-01-01	110.25100000000000
2002-01-01	109.85000000000000
2003-01-01	108.55300000000000
2004-01-01	106.60100000000000
2005-01-01	101.13900000000000
2006-01-01	99.58210000000000
2007-01-01	97.05799999999999
2008-01-01	95.74030000000000
2009-01-01	92.89310000000000
2010-01-01	87.29760000000000
2011-01-01	92.44520000000000
2012-01-01	94.77730000000000
2013-01-01	93.12160000000000
2014-01-01	94.95340000000000
2015-01-01	95.67910000000000
2016-01-01	103.85799999999999