Year	Number
2004-01-01	1785
2005-01-01	1825
2006-01-01	1877
2007-01-01	1865
2008-01-01	1993
2009-01-01	1998
2010-01-01	1990
2011-01-01	2049
2012-01-01	2098
2013-01-01	2135
2014-01-01	2124
2015-01-01	2074
2016-01-01	1958
2017-01-01	1863