Year	Number
2005-01-01	3139214
2006-01-01	3365172
2007-01-01	3516309
2008-01-01	4170638
2009-01-01	3952243
2010-01-01	5379447
2011-01-01	6406411
2012-01-01	6372257
2013-01-01	6832596
2014-01-01	8074066
2015-01-01	8562574
2016-01-01	8955752