Year	Number
2008-01-01	318.8459
2009-01-01	313.3976
2010-01-01	342.0554
2011-01-01	338.0276
2012-01-01	338.6014
2013-01-01	331.6983
2014-01-01	339.7813
2015-01-01	355.9263
2016-01-01	363.5248
