Year	Number
2004-01-01	106
2005-01-01	120
2006-01-01	123
2007-01-01	136
2008-01-01	140
2009-01-01	136
2010-01-01	165
2011-01-01	130
2012-01-01	129
2013-01-01	139
2014-01-01	144
2015-01-01	136