Year	Number
2004-01-01	1278.2362
2005-01-01	1307.1701
2006-01-01	1311.2414
2007-01-01	1478.3981
2008-01-01	1587.6660
2009-01-01	1648.4466
2010-01-01	1720.2942
2011-01-01	1828.2556
2012-01-01	1919.3491
2013-01-01	2072.9456
2014-01-01	2233.4441