Year	Percent
1990-01-01	45.83510000000000
1991-01-01	45.83510000000000
1992-01-01	45.83510000000000
1993-01-01	45.83510000000000
1994-01-01	56.13340000000000
1995-01-01	62.97200000000000
1996-01-01	66.82970000000000
1997-01-01	75.05600000000000
1998-01-01	79.80790000000000
1999-01-01	84.24799999999999
2000-01-01	77.49560000000000
2001-01-01	67.84000000000000
2002-01-01	59.99000000000000
2003-01-01	71.75000000000000
2004-01-01	73.33000000000000
2005-01-01	74.17000000000000
2006-01-01	117.88000000000000
2007-01-01	121.60000000000000
2008-01-01	94.06000000000000
2009-01-01	111.73000000000000
2010-01-01	119.31000000000000
2011-01-01	116.18000000000000
2012-01-01	122.97000000000000
2013-01-01	135.77000000000000
2014-01-01	136.94000000000000
2015-01-01	131.09000000000000
2016-01-01	134.91000000000000