Year	Number
1960	1907621
1961	1992216
1962	2079629
1963	2168467
1964	2257930
1965	2362603
1966	2482810
1967	2604105
1968	2725809
1969	2847816
1970	2969832
1971	3091201
1972	3211613
1973	3331111
1974	3450629
1975	3571279
1976	3692771
1977	3815620
1978	3941198
1979	4070129
1980	4202153
1981	4338241
1982	4479302
1983	4624337
1984	4773692
1985	4927324
1986	5084285
1987	5244688
1988	5407156
1989	5568702
1990	5726552
1991	5876573
1992	6018573
1993	6154297
1994	6285254
1995	6414436
1996	6541918
1997	6669194
1998	6801812
1999	6940533
2000	7085032
2001	7239068
2002	7399772
2003	7564820
2004	7738808
2005	7925521
2006	8127136
2007	8343694
2008	8572345
2009	8803800
2010	9019900
2011	9210288
2012	9380326
2013	9529448
2014	9656565
2015	9767925
2016	9873583
2017	9968083
2018	10039032
2019	10100663
2020	10162324
2021	10210957
2022	10252833
2023	10297609