Year	Number
2005-01-01	270
2006-01-01	257
2007-01-01	126
2008-01-01	352
2009-01-01	651
2010-01-01	1074
2011-01-01	1030
2012-01-01	1076
2013-01-01	1104
2014-01-01	1260
2015-01-01	1294
2016-01-01	1343
2017-01-01	1280