Year	Number
2004-01-01	905.4391
2005-01-01	974.6901
2006-01-01	1054.5013
2007-01-01	1152.5643
2008-01-01	1131.7853
2009-01-01	1238.3072
2010-01-01	1466.0607
2011-01-01	1568.2790
2012-01-01	1658.1534
2013-01-01	1716.5107
2014-01-01	1778.4369
2015-01-01	1860.8453
2016-01-01	1846.6983