Year	Number
1990	403732
1991	429795
1992	397839
1993	400141
1994	428476
1995	383020
1996	375949
1997	367152
1998	359270
1999	340968
2000	329476
2001	320102
2002	312291
2003	305731
2004	302918
2005	293266
2006	286901
2007	280164
2008	295366
2009	266424
2010	268714
2011	253203
2012	250101
2013	246026
2014	241701
2015	239495
2016	233913
2017	232184
2018	231186
2019	227082
2020	224277
2021	223373
2022	220797