Year	Percent
1998-01-01	0.045751000000000000
1999-01-01	0.031712000000000000
2000-01-01	0.032958000000000000
2001-01-01	0.024934000000000000
2002-01-01	0.037282000000000000
2003-01-01	0.032576999999999995
2004-01-01	0.050052000000000000
2005-01-01	0.053131000000000000
2006-01-01	0.059230999999999990
2007-01-01	0.087544000000000010
2008-01-01	0.094201000000000000
2009-01-01	0.109131999999999990
2010-01-01	0.100199000000000000
2011-01-01	0.083941000000000000
2012-01-01	0.098242000000000000
2013-01-01	0.105374000000000000
2014-01-01	0.120068000000000010
2015-01-01	0.117178999999999990