Year	Percent
1995-01-01	41.619700000000000
1996-01-01	26.163200000000000
1997-01-01	17.241400000000000
1998-01-01	18.049200000000000
1999-01-01	21.841900000000000
2000-01-01	10.464100000000000
2001-01-01	19.931700000000000
2002-01-01	9.938930000000001
2003-01-01	17.984300000000000
2004-01-01	17.400700000000000
2005-01-01	16.437900000000000
2006-01-01	19.269300000000000
2007-01-01	20.000999999999998
2008-01-01	13.127900000000000
2009-01-01	13.549100000000000
2010-01-01	13.242300000000000
2011-01-01	10.758200000000000
2012-01-01	15.813300000000000
2013-01-01	14.071500000000000
2014-01-01	11.561400000000000
2015-01-01	11.272800000000000
2016-01-01	12.907000000000000