Year	Number
1960	6761837
1961	6919245
1962	7071464
1963	7227032
1964	7386244
1965	7548511
1966	7714574
1967	7884290
1968	8057981
1969	8235004.999999999
1970	8416170
1971	8566128
1972	8707088
1973	8849971
1974	8995400
1975	9143219
1976	9293676
1977	9446184
1978	9601411
1979	9759188
1980	9919781
1981	10049398
1982	10165869
1983	10283689
1984	10403040
1985	10523442
1986	10645407
1987	10768785
1988	10893766
1989	11019848
1990	11147566
1991	11276696
1992	11407033
1993	11538512
1994	11671691
1995	11806407
1996	11942867
1997	12080522
1998	12219957
1999	12361001
2000	12503871
2001	12647992
2002	12808282
2003	12979730
2004	13153713
2005	13329540
2006	13507965
2007	13688779
2008	13872267
2009	14057699
2010	14245871
2011	14364449
2012	14449088
2013	14533991
2014	14619510
2015	14705533
2016	14792181
2017	14879100
2018	14966530
2019	15057273
2020	15153729
2021	15257673
2022	15369919
2023	15490415