Year	Number
2004-01-01	1756154
2005-01-01	2027897
2006-01-01	2308236
2007-01-01	2532526
2008-01-01	2627932
2009-01-01	2595568
2010-01-01	2665788
2011-01-01	2995643
2012-01-01	3114512
2013-01-01	3141386
2014-01-01	3374826