Year	Number
1984	337757
1985	339813
1986	352524
1987	367351
1988	372926
1989	381622
1990	393498
1991	404180
1998	419338
1999	416690
2000	406381
2001	396335
2002	360261
2003	343773
2004	328349
2005	318034
2006	302764
2007	290447
2008	302025
2009	293245
2010	278606
2011	235825
2012	244147
2013	233508
2014	205443
2015	289666
2016	247031
2018	212293
2019	229074
2020	203262
2021	246709