Year	Number
2005-01-01	690
2006-01-01	900
2007-01-01	949
2008-01-01	793
2009-01-01	637
2010-01-01	643
2011-01-01	668
2012-01-01	487
2013-01-01	497
2014-01-01	506
2015-01-01	530
2016-01-01	504
2017-01-01	430