Year	Number
1990	395850
1991	420681
1992	391512
1993	392530
1994	421556
1995	376734
1996	370044
1997	361961
1998	350836
1999	336774
2000	325681
2001	316645
2002	308986
2003	302518
2004	296545
2005	289724
2006	283023
2007	275930
2008	290806
2009	260521
2010	263709
2011	247161
2012	240115
2013	234955
2014	231206
2015	229411
2016	225789
2017	223755
2018	222530
2019	221112
2020	219255
2021	218736
2022	216419