Year	Percent
1960-01-01	17.78750000000000
1961-01-01	17.62150000000000
1962-01-01	17.06230000000000
1963-01-01	17.22320000000000
1964-01-01	17.85040000000000
1965-01-01	18.94460000000000
1966-01-01	19.76760000000000
1967-01-01	20.29530000000000
1968-01-01	20.86510000000000
1969-01-01	21.01980000000000
1970-01-01	20.78900000000000
1971-01-01	20.75250000000000
1972-01-01	21.69870000000000
1973-01-01	22.83660000000000
1974-01-01	23.84220000000000
1975-01-01	23.72730000000000
1976-01-01	23.71960000000000
1977-01-01	24.68370000000000
1978-01-01	24.97870000000000
1979-01-01	25.18870000000000
1980-01-01	25.14190000000000
1981-01-01	24.42890000000000
1982-01-01	24.63760000000000
1983-01-01	25.84240000000000
1984-01-01	26.47290000000000
1985-01-01	30.64060000000000
1986-01-01	35.70980000000000
1987-01-01	37.60590000000000
1988-01-01	39.94200000000000
1989-01-01	47.87890000000000
1990-01-01	56.38360000000000
1991-01-01	59.49950000000000
1992-01-01	58.90990000000000
1993-01-01	59.71420000000000
1994-01-01	61.39470000000000
1995-01-01	64.74070000000000
1996-01-01	66.86950000000000
1997-01-01	69.30530000000000
1998-01-01	73.33840000000000
1999-01-01	77.59660000000000
2000-01-01	81.17470000000000
2001-01-01	82.91570000000000
2002-01-01	84.33480000000000
2003-01-01	89.52310000000000
2004-01-01	94.36900000000000
2005-01-01	98.49360000000000
2006-01-01	104.06100000000000
2007-01-01	109.42200000000001
2008-01-01	115.58800000000000
2009-01-01	123.36100000000000
2010-01-01	121.19600000000000
2011-01-01	119.69900000000000
2012-01-01	121.75399999999999
2013-01-01	121.81500000000000
2014-01-01	124.01200000000000
2015-01-01	131.67200000000000
2016-01-01	135.77000000000000