Year	Number
2005-01-01	290613
2006-01-01	678539
2007-01-01	770342
2008-01-01	743465
2009-01-01	794403
2010-01-01	905312
2011-01-01	949086
2012-01-01	1087042
2013-01-01	1167015
2014-01-01	990233
2015-01-01	923070
2016-01-01	549556
2017-01-01	591156