Year	Number
2004-01-01	120
2005-01-01	120
2006-01-01	120
2007-01-01	120
2008-01-01	121
2009-01-01	121
2010-01-01	133
2011-01-01	372
2012-01-01	388
2013-01-01	401
2014-01-01	209
2015-01-01	209
2016-01-01	220