Year	Number
1990	203988
1991	192751
1992	181407
1993	170846
1994	162563
1995	158598
1996	154714
1997	152373
1998	150242
1999	146913
2000	144064
2001	141631
2002	139199
2003	135076
2004	142771
2005	129788
2006	125557
2007	119513
2008	119906
2009	107146
2010	100777
2011	95613
2012	90865
2013	87181
2014	84075
2015	81546
2016	79381
2017	77323
2018	75242
2019	73257
2020	71580
2021	70630
2022	70147