Year	Number
2007-01-01	26450
2008-01-01	34526
2009-01-01	36353
2010-01-01	29654
2011-01-01	23452
2012-01-01	20764
2013-01-01	20826
2014-01-01	21234
2015-01-01	24381
2016-01-01	26112
2017-01-01	27750