Year	Number
2004-01-01	625.8725
2005-01-01	796.2608
2006-01-01	1041.5178
2007-01-01	870.0702
2008-01-01	935.9413
2009-01-01	948.0734
2010-01-01	1018.2431
2011-01-01	1077.1507
2012-01-01	1053.6468
2013-01-01	1120.5087
2014-01-01	1263.6775
2015-01-01	1389.4599
2016-01-01	1553.4486
2017-01-01	1738.0020