Year	Number
2009-01-01	1002.5331
2010-01-01	972.8716
2011-01-01	1034.8128
2012-01-01	1098.4221
2013-01-01	1147.0668
2014-01-01	1213.3571
2015-01-01	1306.0383
2016-01-01	1341.3071
2017-01-01	1455.7954
