Year	Number
2004-01-01	23122
2005-01-01	66665
2006-01-01	33679
2007-01-01	27219
2008-01-01	34242
2009-01-01	48524
2010-01-01	62020
2011-01-01	60658
2012-01-01	83990
2013-01-01	85303