Year	Number
1995	1991000
1996	2666000
1997	2850000
1998	4818000
1999	5107000
2000	5313000
2001	4773000
2002	3785000
2003	4133000
2004	4794000
2005	5358000
2006	5017000
2007	5026000
2008	5050000
2009	4802000
2010	5161000
2011	5433000
2012	5677000
2013	5813000
2014	6430000
2015	6306000
2016	6547000
2017	6589000
2018	6621000
2019	6353000