Year	Number
2004-01-01	7628259
2005-01-01	7791328
2006-01-01	7894630
2007-01-01	8089596
2008-01-01	8309796
2009-01-01	8505738
2010-01-01	8674101
2011-01-01	9009558
2012-01-01	9219386
2013-01-01	9480612
2014-01-01	10338119
2015-01-01	10364937
2016-01-01	10633527