Year	Number
2005-01-01	59024
2006-01-01	58916
2007-01-01	60585
2008-01-01	75596
2009-01-01	102488
2010-01-01	129442
2011-01-01	185214
2012-01-01	261249
2013-01-01	236306
2014-01-01	217441
2015-01-01	251996
2016-01-01	211206