Year	Number
2004-01-01	76.6903
2005-01-01	89.5694
2006-01-01	93.3236
2007-01-01	111.7057
2008-01-01	117.1782
2009-01-01	119.2620
2010-01-01	128.2053
2011-01-01	134.8249
2012-01-01	153.6327
2013-01-01	206.1531
2014-01-01	224.8201
2015-01-01	206.8115
2016-01-01	214.8207