Year	Percent
1995-01-01	21.42940
1996-01-01	25.13890
1997-01-01	28.33690
1998-01-01	28.46170
1999-01-01	20.25040
2000-01-01	18.61040
2001-01-01	15.62880
2002-01-01	21.51360
2003-01-01	18.93980
2004-01-01	19.23630
2005-01-01	17.97000
2006-01-01	21.77220
2007-01-01	21.71610
2008-01-01	13.25410
2009-01-01	11.73250
2010-01-01	12.28710
2011-01-01	13.04030
2012-01-01	14.23890
2013-01-01	11.42300
2014-01-01	11.36300
2015-01-01	11.90110
2016-01-01	9.65353