Year	Number
1960	933949
1961	953162
1962	975479
1963	1000411
1964	1027384
1965	1058698
1966	1095468
1967	1132833
1968	1171888
1969	1213018
1970	1253012
1971	1294986
1972	1339493
1973	1384505
1974	1429346
1975	1470301
1976	1687059
1977	1911719
1978	1773165
1979	1630096
1980	1676311
1981	1723749
1982	1760205
1983	1792291
1984	1833523
1985	1877928
1986	1932506
1987	1988969
1988	2036414
1989	2082053
1990	2124992
1991	2173114
1992	2228533
1993	2283168
1994	2337502
1995	2395604
1996	2457809
1997	2521190
1998	2585661
1999	2652126
2000	2718879
2001	2784594
2002	2843823
2003	2905171
2004	2977309
2005	3050428
2006	3128713
2007	3214519
2008	3291090
2009	3355311
2010	3403018
2011	3450185
2012	3551483
2013	3901286
2014	4313260
2015	4359175
2016	4184093
2017	4008793
2018	3835213
2019	3664342
2020	3557157
2021	3509908
2022	3440173
2023	3343643