Year	Number
2004-01-01	45546
2005-01-01	45983
2006-01-01	47054
2007-01-01	65510
2008-01-01	102095
2009-01-01	88593
2010-01-01	95979
2011-01-01	88894
2012-01-01	103755
2013-01-01	108596
2014-01-01	120091
2015-01-01	130584
2016-01-01	146023