Year	Number
2004-01-01	77321146
2005-01-01	83348965
2006-01-01	83147599
2007-01-01	85943298
2008-01-01	87597789
2009-01-01	89896660
2010-01-01	90728029
2011-01-01	86736168
2012-01-01	83510448
2013-01-01	81035088
2014-01-01	78598202
2015-01-01	76097093
2016-01-01	73980340
2017-01-01	75214977