Year	Number
2004-01-01	798
2005-01-01	897
2006-01-01	958
2007-01-01	1029
2008-01-01	1146
2009-01-01	1216
2010-01-01	1237
2011-01-01	1255
2012-01-01	1330
2013-01-01	1472
2014-01-01	1494
2015-01-01	1620
2016-01-01	1679