Year	Number
2004-01-01	490.2319
2005-01-01	504.0118
2006-01-01	456.5987
2007-01-01	462.6409
2008-01-01	472.4033
2009-01-01	493.0892
2010-01-01	572.9048
2011-01-01	623.1010
2012-01-01	694.8185
2013-01-01	858.0392
2014-01-01	900.7814
2015-01-01	934.1028
2016-01-01	1055.5761