Year	Number
1960	2686966
1961	2736939
1962	2778711
1963	2820354
1964	2860608
1965	2897642
1966	2930305
1967	2959577
1968	2989203
1969	3026265
1970	3076353
1971	3144102
1972	3232291
1973	3333481
1974	3440057
1975	3549297
1976	3659998
1977	3776071
1978	3899460
1979	4028871
1980	4165901
1981	4310289
1982	4461876
1983	4619813
1984	4782882
1985	4952001
1986	5125813
1987	5298022
1988	5471528
1989	5651993
1990	5837431
1991	6029631
1992	6224203
1993	6416502
1994	6616409
1995	6834872
1996	7068150
1997	7309709
1998	7553740
1999	7799340
2000	8054751
2001	8322504
2002	8603948
2003	8904704
2004	9226105
2005	9564193
2006	9917959
2007	10289510
2008	10678522
2009	11084704
2010	11510656
2011	11955662
2012	12417550
2013	12894065
2014	13381965
2015	13878923
2016	14390171
2017	14915293
2018	15445494
2019	15983035
2020	16517497
2021	17051491
2022	17590767
2023	18135546