Year	Number
1960	1591991
1961	1624220
1962	1657148
1963	1690743
1964	1725067
1965	1759991
1966	1795671
1967	1832074
1968	1869267
1969	1907110
1970	1945773
1971	1985219
1972	2025522
1973	2066525.9999999998
1974	2108415
1975	2151153
1976	2194819
1977	2239246
1978	2284636
1979	2330946
1980	2378261
1981	2426402
1982	2475586
1983	2525975
1984	2578093
1985	2631138
1986	2685351
1987	2740680
1988	2797228
1989	2854783
1990	2913603
1991	2973636
1992	3034990
1993	3097437
1994	3161257
1995	3226392
1996	3292962
1997	3360716
1998	3429961
1999	3500632
2000	3572860
2001	3646374
2002	3721504
2003	3798183
2004	3876550
2005	3956312
2006	4037829
2007	4121024.9999999995
2008	4206054
2009	4292595
2010	4381041
2011	4471308
2012	4563564
2013	4657462
2014	4753425
2015	4851365
2016	4951323
2017	5053341
2018	5157461
2019	5243989
2020	5331800
2021	5421806
2022	5514454
2023	5610241