Year	Number
2009-01-01	560.5278
2010-01-01	629.9935
2011-01-01	607.1831
2012-01-01	592.9225
2013-01-01	560.4743
2014-01-01	551.4670
2015-01-01	506.3150
2016-01-01	523.0718