Year	Number
2004-01-01	30927
2005-01-01	41020
2006-01-01	45118
2007-01-01	40990
2008-01-01	46550
2009-01-01	59571
2010-01-01	60377
2011-01-01	69514
2012-01-01	73955
2013-01-01	63719
2014-01-01	59209
2015-01-01	86296
2016-01-01	101439