Year	Number
2005-01-01	0.1929
2006-01-01	0.4001
2007-01-01	0.6288
2008-01-01	0.8860
2009-01-01	1.2146
2010-01-01	1.5719
2011-01-01	2.3793
2012-01-01	3.0652
2013-01-01	3.9154