Year	Number
2004-01-01	285800095
2005-01-01	336703053
2006-01-01	554578861
2007-01-01	599766992
2008-01-01	675178510
2009-01-01	574646850
2010-01-01	618545339
2011-01-01	616705003
2012-01-01	175683397
2013-01-01	181798798
2014-01-01	133442803
2015-01-01	200934125
2016-01-01	178124570
2017-01-01	184058861