Year	Number
2004-01-01	196680
2005-01-01	290054
2006-01-01	166762
2007-01-01	183533
2008-01-01	190260
2009-01-01	197757
2010-01-01	199752
2011-01-01	204096
2012-01-01	201285
2013-01-01	184249
2014-01-01	164263
2015-01-01	150100