Year	Number
2004-01-01	856
2005-01-01	891
2006-01-01	968
2007-01-01	1040
2008-01-01	1115
2009-01-01	1177
2010-01-01	1315
2011-01-01	1369
2012-01-01	1430
2013-01-01	1497
2014-01-01	1603
2015-01-01	1681
2016-01-01	1752