Year	Number
2004-01-01	126
2005-01-01	128
2006-01-01	156
2007-01-01	187
2008-01-01	214
2009-01-01	226
2010-01-01	284
2011-01-01	306
2012-01-01	283
2013-01-01	375
2014-01-01	287
2015-01-01	293
2016-01-01	308
2017-01-01	265