Year	Number
2005-01-01	17642
2006-01-01	21523
2007-01-01	27088
2008-01-01	35075
2009-01-01	44310
2010-01-01	61833
2011-01-01	76741
2012-01-01	97121
2013-01-01	115849
2014-01-01	163230
2015-01-01	183993
2016-01-01	201913