Year	Number
2008-01-01	0.0017
2009-01-01	0.0343
2010-01-01	0.0563
2011-01-01	0.0691
2012-01-01	0.1075
2013-01-01	0.3242
2014-01-01	2.4565
2015-01-01	2.6296