Year	Number
1960	476127
1961	500098
1962	523265
1963	549210
1964	577482
1965	607109
1966	636437
1967	665979
1968	697160
1969	729639
1970	762455
1971	791534
1972	817344
1973	843303
1974	869167
1975	893161
1976	907535
1977	915394
1978	925812
1979	938791
1980	947444
1981	951543
1982	959520
1983	971332
1984	984854
1985	1000038
1986	1017212
1987	1036430
1988	1057620
1989	1080902
1990	1106385
1991	1134181
1992	1164019
1993	1195554
1994	1228387
1995	1261801
1996	1295939
1997	1330763
1998	1366456
1999	1403182
2000	1441880
2001	1483504
2002	1527207
2003	1573293
2004	1621842
2005	1671708
2006	1722382
2007	1766356
2008	1820081
2009	1876573
2010	1938482
2011	2003923
2012	2071794
2013	2149140
2014	2235325
2015	2324158
2016	2407759
2017	2473574
2018	2590720
2019	2744402
2020	2842999
2021	2930603
2022	3054024
2023	3185279