Year	Number
1990	150369
1991	151755
1992	154791
1993	162022
1994	162538
1995	167300
1996	171640
1997	171395
1998	173263
1999	174867
2000	176011
2001	176727
2002	177166
2003	177858
2004	177901
2005	178123
2006	178558
2007	179128
2008	181218
2009	181882
2010	184182
2011	187275
2012	190815
2013	194827
2014	198390
2015	202046
2016	204852
2017	207463
2018	209648
2019	211985
2020	213408
2021	215319
2022	217759