Year	Percent
1993-01-01	0.5618460000000000
1994-01-01	1.8072700000000002
1995-01-01	3.6772600000000000
1996-01-01	6.7032000000000000
1997-01-01	9.0531899999999990
1998-01-01	8.0004300000000000
1999-01-01	6.4526300000000000
2000-01-01	8.2713700000000000
2001-01-01	7.7097899999999990
2002-01-01	6.1160700000000000
2003-01-01	7.8648500000000000
2004-01-01	11.6790000000000000
2005-01-01	19.7257000000000000
2006-01-01	21.2055000000000000
2007-01-01	18.4823000000000000
2008-01-01	16.7696000000000000
2009-01-01	13.5794000000000000
2010-01-01	11.8135000000000000
2011-01-01	9.7767699999999990
2012-01-01	8.8194500000000000
2013-01-01	7.1723399999999990
2014-01-01	5.3877700000000000