Year	Number
1960	724373
1961	763336
1962	805062
1963	849446
1964	896820
1965	947332
1966	1001109
1967	1058060
1968	1118853
1969	1183254
1970	1251968
1971	1324216
1972	1400686
1973	1482681
1974	1569079
1975	1658389
1976	1748732
1977	1841815
1978	1937336
1979	2005355
1980	1997237
1981	1847523
1982	1729839
1983	1766084
1984	1881253
1985	1997007
1986	2052805
1987	2096965
1988	2180319
1989	2250758
1990	2264837
1991	2285067
1992	2574865
1993	3002966
1994	3328199
1995	3550426
1996	3714526
1997	3878852
1998	4049071
1999	4235130
2000	4314700
2001	4364773
2002	4674867
2003	5061866
2004	5299549
2005	5542073
2006	5828215
2007	5987030
2008	6162823
2009	6443215
2010	6691382
2011	7004588
2012	7360701
2013	7687539
2014	8043935
2015	8371880
2016	8665979
2017	8999963
2018	9353296
2019	9727157
2020	10142913
2021	10551772
2022	10946834
2023	11376460