Year	Number
2004-01-01	175
2005-01-01	118
2006-01-01	131
2007-01-01	141
2008-01-01	192
2009-01-01	200
2010-01-01	208
2011-01-01	209
2012-01-01	219
2013-01-01	143
2014-01-01	188
2015-01-01	178