Year	Number
2006-01-01	19506
2007-01-01	8503
2008-01-01	5150
2009-01-01	3263
2010-01-01	2869
2011-01-01	2477
2012-01-01	2074
2013-01-01	1925
2014-01-01	1685
2015-01-01	1444
2016-01-01	1165