Year	Number
2004-01-01	516.8576
2005-01-01	674.1021
2006-01-01	809.8566
2007-01-01	862.8468
2008-01-01	881.5672
2009-01-01	896.3575
2010-01-01	928.2605
2011-01-01	916.3510
2012-01-01	904.5153
2013-01-01	893.5848
2014-01-01	882.4913
2015-01-01	880.8520
2016-01-01	880.1815