Year	Percent
1995-01-01	42.0074000000000000
1996-01-01	27.4183000000000000
1997-01-01	28.8174000000000000
1998-01-01	11.3451000000000000
1999-01-01	13.1404000000000000
2000-01-01	15.7525000000000000
2001-01-01	13.7500000000000000
2002-01-01	12.0745000000000000
2003-01-01	9.0498200000000000
2004-01-01	11.9833000000000000
2005-01-01	11.9792000000000000
2006-01-01	14.9146000000000000
2007-01-01	12.4539000000000000
2008-01-01	10.5196000000000000
2009-01-01	10.8411000000000000
2010-01-01	6.0234600000000000
2011-01-01	6.8266800000000005
2012-01-01	5.6400000000000000
2013-01-01	4.3019600000000000
2014-01-01	4.0068400000000000
2015-01-01	4.1938900000000010
2016-01-01	4.8646100000000000