Year	Total
2004	4729629
2005	5510690
2006	6643722
2007	8452642
2008	9618767
2009	9912339
2010	9915348
2011	10182023
2012	9137894
2013	9198717
2014	9344977
2015	9155664
2016	9094447
2017	8626903