Year	Number
2004-01-01	790.8673
2005-01-01	835.7254
2006-01-01	895.9316
2007-01-01	960.0819
2008-01-01	1002.8473
2009-01-01	1038.5852
2010-01-01	1070.9647
2011-01-01	1113.0549
2012-01-01	1143.5781
2013-01-01	1137.5469
2014-01-01	1111.2424
2015-01-01	1097.2043
2016-01-01	1123.1705