Year	Number
2004-01-01	1.1865
2008-01-01	46.6619
2009-01-01	44.1094
2010-01-01	54.1834
2011-01-01	50.5924
2012-01-01	53.5071
2013-01-01	60.6909
2014-01-01	67.6678
