Year	Number
2005-01-01	56
2006-01-01	111
2007-01-01	134
2008-01-01	151
2009-01-01	169
2010-01-01	208
2011-01-01	249
2012-01-01	301
2013-01-01	376
2014-01-01	403
2015-01-01	422
2016-01-01	209