Year	Number
2006-01-01	103065
2007-01-01	245362
2008-01-01	164115
2009-01-01	117063
2010-01-01	79033
2011-01-01	47989
2012-01-01	44843
2013-01-01	40273
2014-01-01	31494
2015-01-01	26477
2016-01-01	41066
2017-01-01	21723
