Year	Number
1991	4842513
1992	4787807
1993	4771722
1994	4780575
1995	4795957
1996	4800748
1997	4842322
1998	5123546
1999	5171215
2000	5232792
2001	5335194
2002	5419875
2003	5442325
2004	5418926
2005	5464806
2006	5500215
2007	5534266
2008	5535756
2009	5490080
2010	5491635
2011	5428758
2012	5385170
2013	5289169
2014	5231791
2015	5204013
2016	5187357
2017	5226891
2018	5242420
2019	5264058
2020	5166305
2021	5190888
2022	5295941
2023	5418819