Year	Percent
1972-01-01	103.73400000000000
1973-01-01	98.28020000000000
1974-01-01	101.91700000000000
1975-01-01	106.02799999999999
1976-01-01	109.69700000000000
1977-01-01	113.36600000000000
1978-01-01	112.81200000000001
1979-01-01	108.83000000000000
1980-01-01	107.71400000000000
1981-01-01	109.06500000000000
1982-01-01	110.66900000000000
1983-01-01	117.55600000000000
1984-01-01	124.04000000000000
1985-01-01	121.47600000000000
1986-01-01	110.86500000000000
1987-01-01	108.27000000000000
1988-01-01	118.72600000000000
1989-01-01	128.83400000000000
1990-01-01	130.33700000000002
1991-01-01	127.69600000000000
1992-01-01	128.35700000000000
1993-01-01	123.65899999999999
1994-01-01	115.58200000000001
1995-01-01	112.74700000000001
1996-01-01	115.55000000000000
1997-01-01	125.98000000000000
1998-01-01	138.93800000000000
1999-01-01	119.10700000000001
2000-01-01	123.94400000000000
2001-01-01	121.02000000000000
2002-01-01	123.97500000000000
2003-01-01	132.34600000000000
2004-01-01	143.90600000000000
2005-01-01	158.81799999999998
2006-01-01	178.27000000000000
2007-01-01	190.76500000000000
2008-01-01	183.31500000000000
2009-01-01	174.56099999999998
2010-01-01	175.12300000000000
2011-01-01	178.20300000000000
2012-01-01	172.12700000000000
2013-01-01	158.36000000000000
2014-01-01	143.25900000000000
2015-01-01	127.17100000000000
2016-01-01	115.21100000000000