Year	Number
2005-01-01	3592866
2006-01-01	4167291
2007-01-01	4311524
2008-01-01	5334070
2009-01-01	4523771
2010-01-01	4565240
2011-01-01	4715110
2012-01-01	4767071
2013-01-01	5060197
2014-01-01	5112116
2015-01-01	5235022