Year	Number
2004-01-01	328.3870
2005-01-01	334.3861
2006-01-01	360.1522
2007-01-01	385.3994
2008-01-01	413.7689
2009-01-01	389.6574
2010-01-01	391.2779
2011-01-01	389.6155
2012-01-01	378.7136
2013-01-01	372.8790
2014-01-01	371.1320
2015-01-01	370.9671
2016-01-01	366.1918
2017-01-01	383.5854