Year	Number
2004-01-01	196496
2005-01-01	289945
2006-01-01	166653
2007-01-01	183209
2008-01-01	189902
2009-01-01	197380
2010-01-01	199379
2011-01-01	203717
2012-01-01	200984
2013-01-01	183964
2014-01-01	163978
2015-01-01	149421