Year	Percent
1972-01-01	20.40110000000000
1973-01-01	39.88140000000000
1974-01-01	96.47360000000000
1975-01-01	111.76500000000000
1976-01-01	105.02799999999999
1977-01-01	107.07500000000000
1978-01-01	115.03100000000000
1979-01-01	124.47900000000000
1980-01-01	125.76600000000000
1981-01-01	109.42600000000000
1982-01-01	91.79450000000000
1983-01-01	84.16910000000000
1984-01-01	87.13970000000000
1985-01-01	89.81350000000000
1986-01-01	92.25450000000000
1987-01-01	94.41020000000000
1988-01-01	94.55880000000000
1989-01-01	94.56640000000000
1990-01-01	95.10270000000000
1991-01-01	94.09240000000000
1992-01-01	95.04160000000000
1993-01-01	99.43410000000000
1994-01-01	103.31200000000001
1995-01-01	106.17800000000000
1996-01-01	109.10300000000000
1997-01-01	116.93700000000001
1998-01-01	128.67500000000000
1999-01-01	137.77500000000000
2000-01-01	132.08200000000000
2001-01-01	129.80300000000000
2002-01-01	124.69700000000000
2003-01-01	121.41100000000000
2004-01-01	122.82700000000001
2005-01-01	119.34000000000000
2006-01-01	112.55000000000000
2007-01-01	106.65500000000000
2008-01-01	111.75700000000000
2009-01-01	119.30400000000000
2010-01-01	119.68100000000000
2011-01-01	120.05000000000000
2012-01-01	122.33200000000001
2013-01-01	122.67000000000000
2014-01-01	121.18500000000000
2015-01-01	124.79100000000000
2016-01-01	132.15600000000000