Year	Number
1960	2647651
1961	2664716
1962	2676963
1963	2681819
1964	2684112
1965	2685255
1966	2690304
1967	2698104
1968	2704554
1969	2706597
1970	2707349
1971	2715196
1972	2729310
1973	2737617
1974	2742791
1975	2762577
1976	2799979
1977	2834768
1978	2875090
1979	2919529
1980	2962412
1981	3008862
1982	3052022
1983	3097023
1984	3140847
1985	3182789
1986	3222940
1987	3261410
1988	3298304
1989	3339038
1990	3397416
1991	3459323
1992	3504312
1993	3541520
1994	3575757
1995	3610038
1996	3641330
1997	3670550
1998	3699391
1999	3718655
2000	3734433
2001	3749558
2002	3755035
2003	3753724
2004	3750928
2005	3745953
2006	3741342
2007	3738168
2008	3732040
2009	3719347
2010	3696704
2011	3661259
2012	3614290
2013	3565404
2014	3521480
2015	3480708
2016	3449523
2017	3427181
2018	3407099
2019	3391088
2020	3370824
2021	3317732
2022	3267986
2023	3248395