Year	Number
2004-01-01	1318079
2005-01-01	1438934
2006-01-01	1571422
2007-01-01	695587
2008-01-01	709403
2009-01-01	1380204
2010-01-01	1550140
2011-01-01	1630055
2012-01-01	1685950
2013-01-01	1843810
2014-01-01	1912139
2015-01-01	1947266
2016-01-01	2090845
2017-01-01	2266621