Year	Percent
1999-01-01	0.0237250000000000
2000-01-01	2.4311800000000000
2001-01-01	2.3223500000000000
2002-01-01	3.5703000000000000
2003-01-01	3.0097700000000000
2004-01-01	2.5945600000000000
2005-01-01	2.3512700000000000
2006-01-01	2.2142200000000000
2007-01-01	2.2142200000000000
2008-01-01	2.2142200000000000
2009-01-01	2.2142200000000000
2010-01-01	2.2142200000000000
2011-01-01	2.5703099999999997
2012-01-01	1.5936000000000000