Year	Number
2004-01-01	55314
2005-01-01	58460
2006-01-01	81863
2007-01-01	69922
2008-01-01	76201
2009-01-01	75234
2010-01-01	82529
2011-01-01	74915
2012-01-01	196038
2013-01-01	78100
2014-01-01	84893
2015-01-01	85375
2016-01-01	73842