Year	Number
2004-01-01	1120490
2005-01-01	1298993
2006-01-01	1268633
2007-01-01	1341658
2008-01-01	1377155
2009-01-01	1525521
2010-01-01	1531759
2011-01-01	1186725
2012-01-01	1094881
2013-01-01	1048285
2014-01-01	1570377
2015-01-01	2421970
2016-01-01	2564932
2017-01-01	2640874
