Year	Number
1995	4634743.56895626
1996	5122994.8568809
1997	5494648.82231607
1998	6284803.89168665
1999	6299378.55699783
2000	5954791.82714057
2001	6259818.75115319
2002	6201520.08990846
2003	6528409.01188785
2004	6845928.5061672
2005	7040238.69346734
2006	8770000
2007	9722000
2008	8981000
2009	9493000
2010	10053000
2011	10241258.4269663
2012	9307718.1097158
2013	9267179.04979447
2014	9139189.84098423
2015	9505627.59228086
2016	10557174.4377824
2017	12147912.0916924