Year	Percent
1995-01-01	82.66051518646630
1996-01-01	95.60092612081710
1997-01-01	23.30786613580100
1998-01-01	30.15969979928440
1999-01-01	42.45390546429720
2000-01-01	71.12062879465410
2001-01-01	95.00522581000070
2002-01-01	19.49083215796890
2003-01-01	9.87617889729578
2004-01-01	11.02636271834640
2005-01-01	16.11998064828260
2006-01-01	11.72402299808340
2007-01-01	6.39170644391410
2008-01-01	12.41098677517800
2009-01-01	8.11695092238080
2010-01-01	6.14255360247246
2011-01-01	11.13739763421290
2012-01-01	7.33038589596636
2013-01-01	7.69426362896666
2014-01-01	2.08244793880151
2015-01-01	1.39235822000187
2016-01-01	1.12231397417765
2017-01-01	3.13106248590119