Year	Number
2004-01-01	99
2005-01-01	101
2006-01-01	128
2007-01-01	157
2008-01-01	184
2009-01-01	200
2010-01-01	257
2011-01-01	280
2012-01-01	258
2013-01-01	353
2014-01-01	265
2015-01-01	270
2016-01-01	286
2017-01-01	244