Year	Number
2004-01-01	1802.5863
2005-01-01	2026.3373
2006-01-01	2081.8752
2007-01-01	2087.9334
2008-01-01	2140.9465
2009-01-01	2128.2411
2010-01-01	2175.2093
2011-01-01	2223.8427
2012-01-01	2308.9849
2013-01-01	2466.4694
2014-01-01	2445.7218
2015-01-01	2279.1043
2016-01-01	2242.3409