Year	Number
2005-01-01	1990235
2006-01-01	2263365
2007-01-01	2548764
2008-01-01	2688393
2009-01-01	2587078
2010-01-01	2678619
2011-01-01	2847003
2012-01-01	2895506
2013-01-01	3023097
2014-01-01	3282450
2015-01-01	3347429
2016-01-01	3422804