Year	Number
2004-01-01	3669.00000000
2005-01-01	141583.39741794
2006-01-01	226008.81434555
2007-01-01	305003.50404283
2008-01-01	475556.48853551
2009-01-01	758080.28102374
2010-01-01	733503.12056856
2011-01-01	972603.08973714
2012-01-01	5005949.00000000
2013-01-01	6196182.00000000
2014-01-01	6890400.00000000