Year	Number
2008-01-01	31.3515
2009-01-01	32.0277
2010-01-01	32.7985
2011-01-01	33.9018
2012-01-01	34.5688
2013-01-01	34.7104
2014-01-01	35.1563
2015-01-01	35.8333
2016-01-01	38.8709