Year	Number
2004-01-01	1390.0477
2005-01-01	1420.9038
2006-01-01	1409.0614
2007-01-01	1428.9637
2008-01-01	1431.0630
2009-01-01	1393.3405
2010-01-01	1364.2697
2011-01-01	1334.0578
2012-01-01	1279.9141
2013-01-01	1304.2081
2014-01-01	1275.1686
2015-01-01	1248.6063
2016-01-01	1219.7570
2017-01-01	1119.2715