Year	Percent
1963-01-01	33.142400000000000
1964-01-01	36.181700000000000
1965-01-01	35.795500000000000
1966-01-01	35.394800000000000
1967-01-01	34.639100000000000
1968-01-01	37.239100000000000
1969-01-01	41.567600000000000
1970-01-01	44.810000000000000
1971-01-01	46.570700000000000
1972-01-01	48.138500000000000
1973-01-01	55.446999999999996
1974-01-01	58.832300000000000
1975-01-01	59.694100000000000
1976-01-01	60.774600000000000
1977-01-01	62.481100000000000
1978-01-01	63.547600000000000
1979-01-01	65.799900000000000
1980-01-01	69.890300000000000
1981-01-01	77.225100000000000
1982-01-01	84.865200000000000
1983-01-01	91.309100000000000
1984-01-01	96.532400000000000
1985-01-01	102.206000000000000
1986-01-01	98.853100000000000
1987-01-01	90.381600000000000
1988-01-01	84.240800000000000
1989-01-01	85.147100000000000
1990-01-01	86.167300000000000
1991-01-01	87.176600000000000
1992-01-01	88.998600000000000
1993-01-01	86.926500000000000
1994-01-01	88.033100000000000
1995-01-01	93.772000000000000
1996-01-01	99.836300000000000
1997-01-01	102.977000000000000
1998-01-01	115.812000000000010
1999-01-01	115.582000000000010
2000-01-01	103.221000000000000
2001-01-01	116.639000000000000
2002-01-01	114.467000000000010
2003-01-01	107.832000000000010
2004-01-01	98.458800000000000
2005-01-01	91.876800000000000
2006-01-01	85.892400000000000
2007-01-01	82.416700000000000
2008-01-01	96.972700000000000
2009-01-01	99.633100000000000
2010-01-01	93.384700000000000
2011-01-01	100.801000000000000
2012-01-01	111.666000000000000
2013-01-01	120.838000000000000
2014-01-01	129.836000000000000
2015-01-01	129.222000000000000
2016-01-01	132.319000000000000