Year	Number
2005-01-01	92
2006-01-01	1003
2007-01-01	920
2008-01-01	804
2009-01-01	863
2010-01-01	1019
2011-01-01	1098
2012-01-01	11553
2013-01-01	16063
2014-01-01	21198
2015-01-01	21023
2016-01-01	48845