Year	Number
2008-01-01	11.1948
2009-01-01	13.9991
2010-01-01	16.4857
2011-01-01	19.9615
2012-01-01	20.7412
2013-01-01	43.7636
2014-01-01	45.1360
2015-01-01	45.2776
2016-01-01	49.7947