Year	Number
2004-01-01	1102
2005-01-01	1129
2006-01-01	1160
2007-01-01	1149
2008-01-01	1237
2009-01-01	1182
2010-01-01	1175
2011-01-01	1162
2012-01-01	1197
2013-01-01	1211
2014-01-01	1262
2015-01-01	1276
2016-01-01	1276
2017-01-01	1217