Year	Number
2004-01-01	175215
2005-01-01	192972
2006-01-01	258856
2007-01-01	301576
2008-01-01	308952
2009-01-01	302911
2010-01-01	313658
2011-01-01	332439
2012-01-01	328760
2013-01-01	353879
2014-01-01	377382
2015-01-01	207078
2016-01-01	256078