Year	Number
2004-01-01	104160
2005-01-01	126966
2006-01-01	99473
2007-01-01	104712
2008-01-01	108788
2009-01-01	102959
2010-01-01	144511
2011-01-01	244200
2012-01-01	92866
2013-01-01	117028
2014-01-01	117437
2015-01-01	121558
