Year	Number
1960	4620092
1961	4659032
1962	4694574
1963	4715283
1964	4719825
1965	4702614
1966	4670109
1967	4644514
1968	4629217
1969	4593313
1970	4559110
1971	4539359
1972	4524874
1973	4518842
1974	4575558
1975	4746075
1976	4876172
1977	4921626
1978	4968550
1979	5016286
1980	5066073
1981	5107436
1982	5137744
1983	5160551
1984	5179316
1985	5192964
1986	5197502
1987	5196068
1988	5191233
1989	5184734
1990	5174513
1991	5164058
1992	5161839
1993	5169271
1994	5182987
1995	5199723
1996	5217870
1997	5239826
1998	5264908
1999	5292858
2000	5327445
2001	5362775
2002	5394794
2003	5420513
2004	5437846
2005	5451866
2006	5465459
2007	5480404
2008	5494333
2009	5506976
2010	5516395
2011	5516002
2012	5502221
2013	5480877
2014	5460676
2015	5445951
2016	5433909
2017	5425635
2018	5424120
2019	5430271
2020	5437732
2021	5473258
2022	5498027
2023	5557489