Year	Number
2004-01-01	797164
2005-01-01	800639
2006-01-01	809634
2007-01-01	874580
2008-01-01	876567
2009-01-01	1100373
2010-01-01	1094854
2011-01-01	1088730
2012-01-01	1229913
2013-01-01	1351210