Year	Percent
1993-01-01	2.9604000000000000
1994-01-01	3.2610500000000000
1995-01-01	3.4013400000000003
1996-01-01	4.2452300000000000
1997-01-01	5.6077000000000000
1998-01-01	6.0672500000000000
1999-01-01	8.5532300000000010
2000-01-01	9.8021000000000000
2001-01-01	8.7709400000000000
2002-01-01	8.6213199999999990
2003-01-01	9.6517800000000000
2004-01-01	13.8187000000000000
2005-01-01	16.2647000000000000
2006-01-01	24.0026000000000000
2007-01-01	28.5141000000000000
2008-01-01	25.1001000000000000
2009-01-01	29.6743000000000000
2010-01-01	26.5476000000000000
2011-01-01	18.7399000000000000
2012-01-01	18.3881000000000000
2013-01-01	16.0319000000000000
2014-01-01	18.8302000000000000
2015-01-01	21.5697000000000000
2016-01-01	26.2671000000000000