Year	Number
1996	5035000
1997	4693000
1998	4788000
1999	4744000
2000	5011000
2001	4946000
2002	4935000
2003	5564000
2004	4630000
2005	5469000
2006	6129000
2007	6564000
2008	6347000
2009	7037000
2010	7726000
2011	7846000
2012	7843000
2013	6977000
2014	8528000
2015	8991000
2016	9651000
2017	8087000
2018	7475000
2019	9088000
2020	4230000