Year	Number
1960	2747408
1961	2784842
1962	2820311
1963	2848908
1964	2872365
1965	2898070
1966	2926020
1967	2955791
1968	2987939
1969	3021621
1970	3057279
1971	3092800
1972	3128867
1973	3167896
1974	3211487
1975	3260229
1976	3314439
1977	3377205
1978	3446377
1979	3519457
1980	3598044
1981	3680175
1982	3765504
1983	3857582
1984	3954746
1985	4052763
1986	4147987
1987	4240757
1988	4335593
1989	4434634
1990	4539006
1991	4642117
1992	4747490
1993	4864310
1994	4992774
1995	5130974
1996	5272892
1997	5421378
1998	5593659
1999	5789949
2000	5999424
2001	6221808
2002	6454255
2003	6692664
2004	6935961
2005	7182028
2006	7424317
2007	7655353
2008	7875966
2009	8098235
2010	8328092
2011	8570848
2012	8833680
2013	9108761
2014	9397743
2015	9703705
2016	10024653
2017	10357389
2018	10694927
2019	11040724
2020	11407221
2021	11793330
2022	12185694
2023	12588910