Year	Percent
1960-01-01	234.16500000000000
1961-01-01	234.41099999999997
1962-01-01	224.27599999999998
1963-01-01	203.93099999999998
1964-01-01	196.49500000000000
1965-01-01	197.65000000000000
1966-01-01	172.63200000000000
1967-01-01	150.62700000000000
1968-01-01	141.45400000000000
1969-01-01	132.73900000000000
1970-01-01	128.65500000000000
1971-01-01	121.90400000000000
1972-01-01	114.31900000000000
1973-01-01	109.94000000000000
1974-01-01	107.91900000000000
1975-01-01	116.67900000000000
1976-01-01	122.86100000000000
1977-01-01	123.67800000000000
1978-01-01	130.93900000000000
1979-01-01	138.01700000000000
1980-01-01	137.03900000000000
1981-01-01	141.02100000000002
1982-01-01	154.88700000000000
1983-01-01	178.04900000000000
1984-01-01	194.05900000000003
1985-01-01	176.52700000000002
1986-01-01	168.80599999999998
1987-01-01	164.43400000000003
1988-01-01	150.17000000000000
1989-01-01	134.03799999999998
1990-01-01	108.09700000000001
1991-01-01	87.60180000000000
1992-01-01	90.92770000000000
1993-01-01	100.77600000000001
1994-01-01	113.76200000000000
1995-01-01	121.39000000000000
1996-01-01	117.73100000000001
1997-01-01	116.71799999999999
1998-01-01	126.02200000000000
1999-01-01	152.68200000000002
2000-01-01	188.91500000000000
2001-01-01	132.31400000000000
2002-01-01	118.23899999999999
2003-01-01	102.72900000000000
2004-01-01	94.65550000000000
2005-01-01	95.24270000000000
2006-01-01	99.14220000000000
2007-01-01	99.29950000000000
2008-01-01	98.28790000000000
2009-01-01	94.00640000000000
2010-01-01	90.73020000000000
2011-01-01	92.10150000000000
2012-01-01	91.98820000000000
2013-01-01	90.01920000000000
2014-01-01	88.29120000000000
2015-01-01	92.21570000000000
2016-01-01	91.92620000000000