Year	Number
2008-01-01	45.8548
2009-01-01	62.6369
2010-01-01	74.0273
2011-01-01	85.1583
2012-01-01	94.0528
2013-01-01	136.6808
2014-01-01	152.7829
2015-01-01	178.0352
2016-01-01	166.5323
