Year	Number
2004-01-01	146
2005-01-01	143
2006-01-01	247
2007-01-01	223
2008-01-01	185
2009-01-01	171
2010-01-01	177
2011-01-01	180
2012-01-01	110
2013-01-01	120
2014-01-01	178
2015-01-01	124
2016-01-01	101