Year	Number
1960	998709
1961	999408
1962	1002624
1963	1009118
1964	1016127
1965	1021186
1966	1023649
1967	1021967
1968	1017688
1969	1013756
1970	1009940
1971	1006720
1972	1007973
1973	1013070
1974	1019370
1975	1024666
1976	1029120
1977	1031392
1978	1030400
1979	1027992
1980	1024219
1981	1019143
1982	1015066
1983	1011897
1984	1008695
1985	1004177
1986	997288
1987	989372
1988	981864
1989	974394
1990	967533
1991	960114
1992	951990
1993	946159
1994	941345
1995	936796
1996	935604
1997	933541
1998	928696
1999	923359
2000	915198
2001	905165
2002	893141
2003	878947
2004	862324
2005	842426
2006	819346
2007	795103
2008	771450
2009	749524
2010	727724
2011	700211
2012	672423
2013	644211
2014	611850
2015	578442
2016	544601
2017	509345
2018	470196
2019	455977
2020	457453
2021	445363
2022	432676
2023	426744