Year	Number
2004-01-01	1
2005-01-01	1
2006-01-01	1
2007-01-01	1
2008-01-01	5
2009-01-01	29
2010-01-01	44
2011-01-01	70
2012-01-01	89
2013-01-01	90
2014-01-01	134
2015-01-01	119
2016-01-01	123
2017-01-01	114