Year	Number
1991	4035746
1992	4081207
1993	4106266
1994	4171786
1995	4202026
1996	4205314
1997	4229113
1998	4269462
1999	4371569
2000	4416525
2001	4315763
2002	4365043
2003	4402418
2004	4485839
2005	4626679
2006	4646803
2007	4728844
2008	4777353
2009	4797213
2010	4893955
2011	4876780
2012	4910968
2013	4962050
2014	4978926
2015	4989597
2016	4997187
2017	5086330
2018	5144068
2019	5194405
2020	5167188
2021	5259744
2022	5374303
2023	5432007