Year	Percent
2002-01-01	1.4516600000000000
2003-01-01	1.5349600000000000
2004-01-01	2.8154400000000000
2005-01-01	3.2352500000000000
2006-01-01	3.0709700000000000
2007-01-01	4.1382200000000000
2008-01-01	3.4699800000000005
2009-01-01	3.9440300000000000
2010-01-01	3.8365099999999996
2011-01-01	3.2019599999999997
2012-01-01	3.0567100000000000
2013-01-01	3.1617100000000000
2014-01-01	2.8413000000000000
2015-01-01	2.5639800000000000
2016-01-01	3.0653300000000000