Year	Number
1990	219960
1991	213800
1992	208230
1993	200437
1994	191702
1995	183049
1996	173063
1997	161908
1998	150405
1999	138873
2000	128076
2001	119637
2002	111225
2003	102985
2004	97342
2005	93045
2006	89321
2007	86387
2008	83675
2009	80709
2010	76823
2011	72826
2012	69575
2013	66918
2014	64700
2015	62368
2016	59451
2017	56050
2018	53197
2019	50907
2020	48628
2021	46243
2022	43782