Year	Number
2004-01-01	66800
2005-01-01	78771
2006-01-01	103064
2007-01-01	245360
2008-01-01	164113
2009-01-01	117062
2010-01-01	79032
2011-01-01	47988
2012-01-01	44842
2013-01-01	40272
2014-01-01	31494
2015-01-01	26477
2016-01-01	41066
2017-01-01	21723