Year	Number
2006-01-01	1105960
2007-01-01	1272874
2008-01-01	1348738
2009-01-01	1397959
2010-01-01	1571358
2011-01-01	1701897
2012-01-01	1816321
2013-01-01	2111493
2014-01-01	2449038
2015-01-01	3044719
2016-01-01	3204842