Year	Number
2005-01-01	1990804
2006-01-01	2264188
2007-01-01	2549529
2008-01-01	2689333
2009-01-01	2589765
2010-01-01	2679487
2011-01-01	2847598
2012-01-01	2896143
2013-01-01	3023918
2014-01-01	3283516
2015-01-01	3348292
2016-01-01	3423870