Year	Number
2004-01-01	131
2005-01-01	143
2006-01-01	146
2007-01-01	134
2008-01-01	127
2009-01-01	118
2010-01-01	134
2011-01-01	138
2012-01-01	144
2013-01-01	127
2014-01-01	127
2015-01-01	121
2016-01-01	134