Year	Number
1960	1020420
1961	1052455
1962	1079086
1963	1097187
1964	1116348
1965	1147664
1966	1185732
1967	1224285
1968	1265547
1969	1299551
1970	1339569
1971	1379870
1972	1415038
1973	1453690
1974	1483107
1975	1513345
1976	1550825
1977	1588368
1978	1626239
1979	1663550
1980	1700902
1981	1733022
1982	1761540
1983	1789561
1984	1819908
1985	1859653
1986	1913299
1987	1977182
1988	2043074
1989	2108978
1990	2173093
1991	2236994
1992	2302015
1993	2367794
1994	2435445
1995	2506205
1996	2577489
1997	2648559
1998	2719433
1999	2781732
2000	2840447
2001	2908678
2002	2970765
2003	3006665
2004	3020843
2005	3060060
2006	3115177
2007	3156940
2008	3215407
2009	3286969
2010	3362678
2011	3435938
2012	3502302
2013	3578224
2014	3657742
2015	3720642
2016	3777924
2017	3843270
2018	3913719
2019	3988001
2020	4051676
2021	4108473
2022	4222996
2023	4385517