Year	Percent
2000-01-01	0.021
2001-01-01	0.025
2002-01-01	0.059
2003-01-01	0.049
2004-01-01	0.095
2005-01-01	0.110
2006-01-01	0.201
2007-01-01	0.229
2008-01-01	0.160
2009-01-01	0.690
2010-01-01	1.039
2011-01-01	1.306
2012-01-01	1.545
2013-01-01	2.118
