Year	Number
1990	96420
1991	95206
1992	94000
1993	93400
1994	91939
1995	91863
1996	90200
1997	88717
1998	87690
1999	86371
2000	85166
2001	82813
2002	78943
2003	73488
2004	81139
2005	64931
2006	61199
2007	58421
2008	70911
2009	53486
2010	51364
2011	50002
2012	47750
2013	46906
2014	45072
2015	43951
2016	43078
2017	42472
2018	42040
2019	41702
2020	41283
2021	40749
2022	40279