Year	Number
2006-01-01	353.1177
2007-01-01	357.7540
2008-01-01	366.0282
2009-01-01	356.9255
2010-01-01	349.6670
2011-01-01	345.5338
2012-01-01	362.0947
2013-01-01	386.3469
2014-01-01	420.3509
2015-01-01	429.8582