Year	Number
1960	1202984
1961	1177028
1962	1150357
1963	1129383
1964	1117338
1965	1105375
1966	1089276
1967	1071307
1968	1054515
1969	1040721
1970	1024565
1971	1013383
1972	1015293
1973	1027803
1974	1053260
1975	1085052
1976	1115047
1977	1141004
1978	1161176
1979	1174791
1980	1180059
1981	1181581
1982	1184302
1983	1185487
1984	1184487
1985	1180748
1986	1173045
1987	1160275
1988	1141151
1989	1114687
1990	1080907
1991	1049317
1992	1022748
1993	996254
1994	968415
1995	940522
1996	914846
1997	890477
1998	867787
1999	846027
2000	822664
2001	799306
2002	779334
2003	761272
2004	744642
2005	730573
2006	719252
2007	715134
2008	717862
2009	723796
2010	734314
2011	745552
2012	755040
2013	764007
2014	773902
2015	784546
2016	794456
2017	804385
2018	814862
2019	825455
2020	832801
2021	820134
2022	830535
2023	837556