Year	Number
2004-01-01	211002
2005-01-01	229545
2006-01-01	242552
2007-01-01	269479
2008-01-01	272980
2009-01-01	266165
2010-01-01	220359
2011-01-01	258602
2012-01-01	245895
2013-01-01	241438
2014-01-01	236368
2015-01-01	217271
2016-01-01	248190