Year	Number
2005-01-01	9023356
2006-01-01	9002867
2007-01-01	8954362
2008-01-01	9031822
2009-01-01	10167584
2010-01-01	10189120
2011-01-01	9257789
2012-01-01	8627910
2013-01-01	8818442
2014-01-01	12154042
2015-01-01	10369776
2016-01-01	9953836