Year	Number
2009-01-01	1148.2986
2010-01-01	1108.3391
2011-01-01	1180.0372
2012-01-01	1256.3354
2013-01-01	1317.3550
2014-01-01	1400.1317
2015-01-01	1515.0748
2016-01-01	1539.4305
2017-01-01	1678.4909
