Year	Number
2004-01-01	301
2005-01-01	350
2006-01-01	425
2007-01-01	518
2008-01-01	667
2009-01-01	629
2010-01-01	640
2011-01-01	707
2012-01-01	834
2013-01-01	976
2014-01-01	959
2015-01-01	952
2016-01-01	969