Year	Number
2004-01-01	83236464
2005-01-01	89342633
2006-01-01	89220286
2007-01-01	83448366
2008-01-01	78614416
2009-01-01	87244638
2010-01-01	92627263
2011-01-01	102643703
2012-01-01	123464728
2013-01-01	138818410
2014-01-01	147531871
2015-01-01	152149599
2016-01-01	154724330