Year	Number
2004-01-01	983833
2005-01-01	1002442
2006-01-01	1044566
2007-01-01	1136640
2008-01-01	1185823
2009-01-01	1192129
2010-01-01	1201178
2011-01-01	1250185
2012-01-01	1287689
2013-01-01	1324476
2014-01-01	1433457
2015-01-01	1510214
2016-01-01	1506360
2017-01-01	1561034