Year	Number
2004-01-01	60900000
2005-01-01	55500000
2006-01-01	55600000
2007-01-01	58600000
2008-01-01	89300000
2009-01-01	54800000
2010-01-01	67700000
2011-01-01	60600000
2012-01-01	53100000
2013-01-01	57200000
2014-01-01	59500000
2015-01-01	59400000
2016-01-01	52840000