Year	Number
1991	361885
1992	361350
1993	350604
1994	345594
1995	338291
1996	329559
1997	320560
1998	324311
1999	316601
2000	309399
2001	300189
2002	284312
2003	270004
2004	254906
2005	242459
2006	235378
2007	230536
2008	224769
2009	217805
2010	212421
2011	209213
2012	209325
2013	211407
2014	213766
2015	216266
2016	219866
2017	225427
2018	229456
2019	231720
2020	232979
2021	232330
2022	233372