Year	Percent
1995-01-01	1.9099599999999999
1996-01-01	1.7188000000000000
1997-01-01	2.7065700000000000
1998-01-01	5.9090600000000000
1999-01-01	3.0000600000000000
2000-01-01	2.6329800000000000
2001-01-01	4.4908800000000010
2002-01-01	4.6719000000000000
2003-01-01	4.5708199999999990
2004-01-01	5.7328600000000000
2005-01-01	4.9165300000000010
2006-01-01	5.5252400000000000
2007-01-01	4.2878300000000005
2008-01-01	3.9105500000000000
2009-01-01	5.5063400000000000
2010-01-01	5.6235200000000000
2011-01-01	5.4387200000000000
2012-01-01	13.5349000000000000
2013-01-01	12.7352000000000000
2014-01-01	18.8320000000000000
2015-01-01	24.9881000000000000
2016-01-01	32.0353000000000000