Year	Number
2007-01-01	268.2027
2008-01-01	318.8111
2009-01-01	423.0200
2010-01-01	556.7900
2011-01-01	723.0984
2012-01-01	1724.7707
2013-01-01	1915.1958
2014-01-01	1944.7552
2015-01-01	1926.4849
2016-01-01	2579.4603
2017-01-01	2441.0435