Year	Number
1960	1605794
1961	1640940
1962	1676372
1963	1712324
1964	1748675
1965	1785678
1966	1823105
1967	1860819
1968	1899144
1969	1938403
1970	1978482
1971	2019610
1972	2061943
1973	2104366
1974	2146302
1975	2193954
1976	2245897
1977	2298669
1978	2352048
1979	2406088
1980	2460605
1981	2515282
1982	2569853
1983	2624307
1984	2678403
1985	2731997
1986	2785247
1987	2838218
1988	2891667
1989	2949729
1990	3008696
1991	3068606
1992	3129472
1993	3191301
1994	3253772
1995	3316744
1996	3380217
1997	3444143
1998	3504582
1999	3565660
2000	3630711
2001	3694907
2002	3747929
2003	3797768
2004	3844762
2005	3889346
2006	3931076
2007	3969759
2008	4005032
2009	4037254
2010	4066166
2011	4091982
2012	4114652
2013	4134626
2014	4151892
2015	4167191
2016	4180443
2017	4191816
2018	4201524
2019	4209597
2020	4214803
2021	4215972
2022	4214875
2023	4215060