Year	Number
1960	2746695
1961	2799450
1962	2867533
1963	2925748
1964	2971603
1965	3003824
1966	3033206
1967	3068777
1968	3105551
1969	3139000
1970	3161351
1971	3178212
1972	3203034
1973	3228610
1974	3248189
1975	3248934
1976	3232679
1977	3223545
1978	3225257
1979	3232423
1980	3245225
1981	3262098
1982	3279780
1983	3292972
1984	3303960
1985	3317420
1986	3333817
1987	3354023
1988	3377780
1989	3403458
1990	3435750
1991	3477958
1992	3516951
1993	3548723
1994	3577019
1995	3601427
1996	3617997
1997	3626908
1998	3637528
1999	3653851
2000	3673543
2001	3696843
2002	3723614
2003	3749181
2004	3772931
2005	3794856
2006	3816235
2007	3845997
2008	3888817
2009	3933290
2010	3971373
2011	4012325
2012	4051266
2013	4093847
2014	4140499
2015	4184583
2016	4225760
2017	4261807
2018	4292467
2019	4322218
2020	4352384
2021	4384035
2022	4417801
2023	4452743