Year	Percent
1995-01-01	15.3008000000000000
1996-01-01	19.9353000000000000
1997-01-01	7.7035100000000005
1998-01-01	6.0402500000000000
1999-01-01	11.5954000000000000
2000-01-01	36.9769000000000000
2001-01-01	24.5529000000000000
2002-01-01	29.1291000000000000
2003-01-01	25.7313000000000000
2004-01-01	24.2995000000000000
2005-01-01	25.0628000000000000
2006-01-01	24.7786000000000000
2007-01-01	20.8468000000000000
2008-01-01	22.0758000000000000
2009-01-01	13.0885000000000000
2010-01-01	6.0854599999999990
2011-01-01	3.9827300000000000
2012-01-01	2.9321000000000000
2013-01-01	3.4203600000000000
2014-01-01	4.5302100000000000
2015-01-01	3.4557200000000000
2016-01-01	3.7998600000000000