Year	Number
1991	4378026
1992	4371046
1993	4341598
1994	4365154
1995	4389402
1996	4429998
1997	4457087
1998	4481531
1999	4531021
2000	4581917
2001	4624374
2002	4661039
2003	4708605
2004	4765760
2005	4842407
2006	4919403
2007	4974488
2008	5012770
2009	5148033
2010	5108192
2011	5177768
2012	5206440
2013	5235766
2014	5258253
2015	5292666
2016	5308720
2017	5326759
2018	5342937
2019	5345176
2020	5016414
2021	5106046
2022	5286176
2023	5317246