Year	Number
1991	4677671
1992	4592918
1993	4504162
1994	4472053
1995	4528182
1996	4521856
1997	4507223
1998	4468932
1999	4515581
2000	4487120
2001	4558776
2002	4579588
2003	4607164
2004	4622281
2005	4690191
2006	4768932
2007	4844850
2008	4904595
2009	4912421
2010	4947828
2011	5012570
2012	5052398
2013	5122087
2014	5174559
2015	5230067
2016	5307317
2017	5406464
2018	5483210
2019	5554111
2020	5569519
2021	5638697
2022	5723799
2023	5825253