Year	Number
2004-01-01	119
2005-01-01	124
2006-01-01	125
2007-01-01	128
2008-01-01	136
2009-01-01	131
2010-01-01	126
2011-01-01	153
2012-01-01	168
2013-01-01	168
2014-01-01	167
2015-01-01	182
2016-01-01	250
2017-01-01	265