Year	Number
1960	516317
1961	528250
1962	541073
1963	555039
1964	569952
1965	586035
1966	603248
1967	621247
1968	640138
1969	659955
1970	680666
1971	702318
1972	724968
1973	748336
1974	772338
1975	797637
1976	824049
1977	850962
1978	878497
1979	906859
1980	936155
1981	966345
1982	997335
1983	1029239
1984	1062090
1985	1095905
1986	1130914
1987	1167205
1988	1204769
1989	1244143
1990	1286107
1991	1330742
1992	1377650
1993	1426650
1994	1477811
1995	1531088
1996	1586249
1997	1643031
1998	1700672
1999	1759730
2000	1820866
2001	1883475
2002	1947607
2003	2013302
2004	2080771
2005	2150415
2006	2222143
2007	2295667
2008	2370796
2009	2447283
2010	2524612
2011	2602474
2012	2680784
2013	2759706
2014	2839901
2015	2920605
2016	3000733
2017	3080099
2018	3158423
2019	3235591
2020	3311015
2021	3383936
2022	3455278
2023	3527143