Year	Percent
1996-01-01	0.017172000000000000
1997-01-01	0.015180000000000000
1998-01-01	0.012810000000000000
1999-01-01	0.007662000000000000
2000-01-01	0.006143000000000000
2001-01-01	0.012140999999999999
2002-01-01	0.016444000000000000
2003-01-01	0.014305000000000002
2004-01-01	0.030681000000000000
2005-01-01	0.031412999999999996
2006-01-01	0.034143000000000000
2007-01-01	0.033638000000000000
2008-01-01	0.036904000000000000
2009-01-01	0.044322000000000000
2010-01-01	0.048007000000000000
2011-01-01	0.036294000000000000
2012-01-01	0.039833000000000000
2013-01-01	0.057266000000000000
2014-01-01	0.060536000000000000
2015-01-01	0.066949000000000000
2016-01-01	0.112278000000000000