Year	Number
1990	143325
1991	142891
1992	146515
1993	154440
1994	257582
1995	157940
1996	162650
1997	163155
1998	164980
1999	166460
2000	163574
2001	163018
2002	162736
2003	163094
2004	162885
2005	162661
2006	162533
2007	162469
2008	163829
2009	163677
2010	172260
2011	167262
2012	169797
2013	172338
2014	174924
2015	177430
2016	178970
2017	180504
2018	181643
2019	182733
2020	183477
2021	184624
2022	186268