Year	Percent
1996-01-01	43.73970
1997-01-01	33.48550
1998-01-01	26.66670
1999-01-01	24.33330
2000-01-01	20.66670
2001-01-01	17.43980
2002-01-01	17.69000
2003-01-01	13.45800
2004-01-01	12.82550
2005-01-01	7.40632
2006-01-01	5.92730
2007-01-01	4.47129
2008-01-01	7.60228
2009-01-01	6.94373
2010-01-01	4.94899
2011-01-01	3.04744
2012-01-01	4.88646
2013-01-01	2.95103
2014-01-01	4.19607
2015-01-01	2.13727
2016-01-01	2.44287