Year	Number
1988	5
1989	5
1990	477
1991	613
1992	53921
1993	57154
1994	56196
1995	56958
1996	57962
1997	44375
1998	4659
1999	4470
2000	5404
2001	5544
2002	5804
2003	5563
2004	5733
2005	7303
2006	7796
2007	10235
2008	10097
2009	10428
2010	10046
2011	10047
2012	10159
2013	9720
2014	10868
2015	12154
2016	13842
2017	16780
2018	21022
2019	22766
2020	18948
2021	22672
2022	23935
2023	24126