Year	Number
1964	170
1968	200
1969	200
1970	200
1971	4070
1972	3500
1977	440
1978	420
1979	700
1980	333
1981	333
1982	733
1983	333
1984	333
1985	333
1986	528
1987	208
1988	300
1992	195000
1993	200116
1994	201837
1995	201439
1996	203232
1997	203690
1998	193147
1999	193228
2000	5787
2001	7206
2002	13244
2003	13158
2004	13409
2005	13965
2006	14913
2007	15435
2008	16333
2009	18004
2010	17553
2011	16491
2012	15937
2013	11995
2014	11839
2015	11211
2016	10707
2017	10786
2018	11040
2019	10962
2020	10334
2021	12255
2022	14868
2023	15072