Year	Number
1991	2536400
1992	2618556
1993	2694887
1994	2764365
1995	2842394
1996	2921358
1997	3006488
1998	3088071
1999	3168723
2000	3246426
2001	3246913
2002	3331113
2003	3342971
2004	3424410
2005	3480356
2006	3593807
2007	3660256
2008	3757662
2009	3690074
2010	3844470
2011	4015614
2012	4176432
2013	4236156
2014	4325193
2015	4579344
2016	4685793
2017	4752184
2018	4931651
2019	5091385
2020	4805372
2021	5101650
2022	5174651
2023	5301571