Year	Number
2004-01-01	67156
2005-01-01	68357
2006-01-01	69629
2007-01-01	71996
2008-01-01	75977
2009-01-01	79922
2010-01-01	85219
2011-01-01	90965
2012-01-01	98643
2013-01-01	106551
2014-01-01	117869
2015-01-01	126337
2016-01-01	133491