Year	Number
2008-01-01	69.1317
2009-01-01	73.1448
2010-01-01	95.6907
2011-01-01	107.3707
2012-01-01	126.7223
2013-01-01	145.0228
2014-01-01	169.6914
2015-01-01	169.8336
