Year	Number
2004-01-01	3416370
2005-01-01	3278703
2006-01-01	3321390
2007-01-01	3296920
2008-01-01	3244892
2009-01-01	3079342
2010-01-01	2858508
2011-01-01	2844965
2012-01-01	2660481
2013-01-01	2518404
2014-01-01	2522573
2015-01-01	2477646
2016-01-01	2393717