Year	Number
1964	10000
1965	17000
1966	20800
1967	27750
1968	33750
1969	43120
1970	60070
1971	60410
1972	64400
1973	69800
1974	80960
1975	34750
1976	580
1977	120
1978	130
1979	370
1980	120
1981	5170
1982	20200
1983	50200
1984	51200
1985	72250
1986	193550
1987	635000
1988	921237
1989	1120756
1990	1247991
1991	1316635
1992	1445474
1993	1172548
1994	234495
1995	125561
1996	34656
1997	33652
1998	56
1999	26
2000	24
2001	45
2002	129
2003	106
2004	94
2005	93
2006	216
2007	213
2008	198
2009	130
2010	120
2011	147
2012	155
2013	51
2014	55
2015	55
2016	48
2017	48
2018	57
2019	77
2020	81
2021	90
2022	109
2023	117