Year	Number
2004-01-01	1816
2005-01-01	1874
2006-01-01	1683
2007-01-01	1569
2008-01-01	1438
2009-01-01	1268
2010-01-01	1129
2011-01-01	1105
2012-01-01	1044
2013-01-01	973
2014-01-01	930
2015-01-01	868
2016-01-01	786