Year	Number
1990	255828
1991	250220
1992	245797
1993	240232
1994	236190
1995	230412
1996	224377
1997	220349
1998	216988
1999	214203
2000	211618
2001	209481
2002	206979
2003	205511
2004	203618
2005	202088
2006	201978
2007	201825
2008	201335
2009	200934
2010	201437
2011	200637
2012	198733
2013	197280
2014	194955
2015	191991
2016	186309
2017	183407
2018	180911
2019	177975
2020	174836
2021	171133
2022	167445