Year	Percent
2003-01-01	10.1411000000000000
2004-01-01	5.4033500000000000
2005-01-01	4.3021100000000000
2006-01-01	3.6954300000000004
2007-01-01	3.6954300000000004
2008-01-01	3.5515100000000000
2009-01-01	1.2566800000000000
2010-01-01	1.5103400000000000
2011-01-01	3.9940400000000000
2012-01-01	1.9671599999999998