Year	Number
2005-01-01	26
2006-01-01	287
2007-01-01	345
2008-01-01	311
2009-01-01	270
2010-01-01	278
2011-01-01	276
2012-01-01	398
2013-01-01	415
2014-01-01	427
2015-01-01	358
2016-01-01	333