Year	Number
2004-01-01	68372
2005-01-01	73959
2006-01-01	120990
2007-01-01	58602
2008-01-01	79451
2009-01-01	69145
2010-01-01	114356
2011-01-01	108934
2012-01-01	187240
2013-01-01	130476