Year	Number
2004-01-01	0.0525
2005-01-01	0.0525
2006-01-01	0.0525
2007-01-01	0.2624
2008-01-01	0.3935
2009-01-01	0.5247
2010-01-01	1.1019
2011-01-01	1.8889
2012-01-01	1.0756
2013-01-01	2.8071
2014-01-01	3.2269
2015-01-01	3.9877
2016-01-01	4.9322