Year	Number
2006-01-01	302128
2007-01-01	331184
2008-01-01	322929
2009-01-01	333694
2010-01-01	270470
2011-01-01	306723
2012-01-01	344287
2013-01-01	348291
2014-01-01	353288
2015-01-01	448416
2016-01-01	502014