Year	Percent
2003-12-31	2.12
2004-12-31	2.07
2005-12-31	2.15
2006-12-31	3
2007-12-31	4.19
2008-12-31	4.48
2009-12-31	1.04
2010-12-31	0.5956
2011-12-31	1.1549
2012-12-31	0.3506