Year	Number
2004-01-01	76597540
2005-01-01	79929485
2006-01-01	73734084
2007-01-01	76025397
2008-01-01	78933956
2009-01-01	83693845
2010-01-01	98694633
2011-01-01	109165197
2012-01-01	123638075
2013-01-01	154983529
2014-01-01	165181858
2015-01-01	173968689
2016-01-01	199409207