Year	Percent
1960-01-01	42.37770000000000
1961-01-01	43.50520000000000
1962-01-01	43.46940000000000
1963-01-01	43.45080000000000
1964-01-01	44.11030000000000
1965-01-01	44.53350000000000
1966-01-01	43.92760000000000
1967-01-01	43.38380000000000
1968-01-01	42.55690000000000
1969-01-01	41.16240000000000
1970-01-01	39.96240000000000
1971-01-01	38.87230000000000
1972-01-01	40.50400000000000
1973-01-01	41.71240000000000
1974-01-01	40.39630000000000
1975-01-01	39.26220000000000
1976-01-01	38.77540000000000
1977-01-01	38.03980000000000
1978-01-01	37.01260000000000
1979-01-01	36.23950000000000
1980-01-01	36.17440000000000
1981-01-01	35.21590000000000
1982-01-01	34.74320000000000
1983-01-01	35.98470000000000
1984-01-01	35.41040000000000
1985-01-01	37.00800000000000
1986-01-01	38.58620000000000
1987-01-01	38.65310000000000
1988-01-01	39.91470000000000
1989-01-01	44.37820000000000
1990-01-01	50.24050000000000
1991-01-01	52.93840000000000
1992-01-01	52.86940000000000
1993-01-01	53.78880000000000
1994-01-01	54.66800000000000
1995-01-01	56.75160000000000
1996-01-01	58.33260000000000
1997-01-01	59.78550000000000
1998-01-01	61.48130000000000
1999-01-01	64.14930000000000
2000-01-01	64.75110000000000
2001-01-01	65.62010000000000
2002-01-01	66.86230000000000
2003-01-01	68.66030000000000
2004-01-01	71.60520000000000
2005-01-01	73.15460000000000
2006-01-01	76.40880000000000
2007-01-01	85.50530000000000
2008-01-01	95.42780000000000
2009-01-01	99.36460000000000
2010-01-01	96.54010000000000
2011-01-01	98.27960000000000
2012-01-01	102.08400000000000
2013-01-01	103.15000000000000
2014-01-01	104.80799999999999
2015-01-01	109.86900000000000
2016-01-01	112.29899999999999