Year	Number
2004-01-01	93
2005-01-01	113
2006-01-01	124
2007-01-01	160
2008-01-01	196
2009-01-01	206
2010-01-01	188
2011-01-01	191
2012-01-01	193
2013-01-01	203
2014-01-01	200
2015-01-01	204
2016-01-01	210
2017-01-01	207
