Year	Number
1960	9153489
1961	9183948
1962	9220578
1963	9289770
1964	9378113
1965	9463667
1966	9527807
1967	9580991
1968	9618756
1969	9646032
1970	9655549
1971	9673162
1972	9711115
1973	9741720
1974	9772419
1975	9800700
1976	9818227
1977	9830358
1978	9839534
1979	9848382
1980	9859242
1981	9858982
1982	9856303
1983	9855520
1984	9855372
1985	9858308
1986	9861823
1987	9870234
1988	9901664
1989	9937697
1990	9967379
1991	10004486
1992	10045158
1993	10084475
1994	10115603
1995	10136811
1996	10156637
1997	10181245
1998	10203008
1999	10226419
2000	10251250
2001	10286570
2002	10332785
2003	10376133
2004	10421137
2005	10478617
2006	10547958
2007	10625700
2008	10709973
2009	10796493
2010	10895586
2011	11038264
2012	11106932
2013	11159407
2014	11209057
2015	11274196
2016	11331422
2017	11375158
2018	11427054
2019	11488980
2020	11538604
2021	11586195
2022	11685814
2023	11822592