Year	Percent
1995-01-01	42.56060000000000
1996-01-01	28.03840000000000
1997-01-01	22.52240000000000
1998-01-01	25.58830000000000
1999-01-01	35.71850000000000
2000-01-01	33.13990000000000
2001-01-01	27.73460000000000
2002-01-01	27.31030000000000
2003-01-01	34.29460000000000
2004-01-01	53.35750000000000
2005-01-01	79.84840000000000
2006-01-01	77.72140000000000
2007-01-01	80.91060000000000
2008-01-01	87.57300000000000
2009-01-01	94.39760000000000
2010-01-01	109.40899999999999
2011-01-01	114.78900000000000
2012-01-01	113.19900000000000
2013-01-01	99.86070000000000
2014-01-01	83.34430000000000
2015-01-01	73.60560000000000
2016-01-01	75.53860000000000