Year	Number
2004-01-01	402.4160
2005-01-01	513.6152
2006-01-01	566.9046
2007-01-01	567.5296
2008-01-01	675.5340
2009-01-01	708.6358
2010-01-01	712.1868
2011-01-01	804.6261
2012-01-01	866.5184
2013-01-01	975.8785
2014-01-01	932.9386
2015-01-01	924.1321
2016-01-01	921.7470