Year	Number
2004-01-01	2523082
2005-01-01	2413457
2006-01-01	2319000
2007-01-01	2186158
2008-01-01	2169501
2009-01-01	2165245
2010-01-01	2128650
2011-01-01	2031221
2012-01-01	2145017
2013-01-01	2201198
2014-01-01	2303015
2015-01-01	2369129
2016-01-01	2422693