Year	Number
2005-01-01	554011
2006-01-01	599285
2007-01-01	754799
2008-01-01	980610
2009-01-01	900622
2010-01-01	1370706
2011-01-01	1442296
2012-01-01	2880368
2013-01-01	1124634
2014-01-01	1047323
2015-01-01	1092779
2016-01-01	1023608