Year	Number
2008-01-01	77.0177
2009-01-01	99.4316
2010-01-01	113.0790
2011-01-01	129.8627
2012-01-01	149.2421
2013-01-01	173.0553
2014-01-01	216.9952
2015-01-01	249.6944