Year	Number
2005-01-01	6241
2006-01-01	6904
2007-01-01	7658
2008-01-01	8724
2009-01-01	8968
2010-01-01	9419
2011-01-01	9791
2012-01-01	10191
2013-01-01	10981
2014-01-01	11180
2015-01-01	11149
2016-01-01	10740
2017-01-01	10503