Year	Number
2004-01-01	0.0000
2005-01-01	0.0000
2006-01-01	0.0000
2007-01-01	0.0000
2008-01-01	0.0048
2009-01-01	0.0128
2010-01-01	0.0273
2011-01-01	0.0385
2012-01-01	0.0385
2013-01-01	0.0482