Year	Number
2008-01-01	2.6297
2009-01-01	4.8264
2010-01-01	8.6943
2011-01-01	10.8552
2012-01-01	12.9533
2013-01-01	17.9857
2014-01-01	19.9640
2015-01-01	23.2716
2016-01-01	24.2796
2017-01-01	26.6300