Year	Number
1960	3298021
1961	3408415
1962	3521164
1963	3635798
1964	3752313
1965	3868712
1966	3987090
1967	4108916
1968	4230877
1969	4352954
1970	4475871
1971	4599841
1972	4724801
1973	4851183
1974	4978582
1975	5106453
1976	5235318
1977	5365074
1978	5495443
1979	5625864
1980	5755800
1981	5885244
1982	6014979
1983	6147213
1984	6282104
1985	6417798
1986	6554325
1987	6692720
1988	6834207
1989	6980033
1990	7129004
1991	7278402
1992	7427340
1993	7576074
1994	7723934
1995	7869753
1996	8012314
1997	8150076
1998	8282126
1999	8411374
2000	8540791
2001	8669040
2002	8795101
2003	8919852
2004	9043127
2005	9164768
2006	9284168
2007	9402206
2008	9522948
2009	9648061
2010	9775755
2011	9903737
2012	10030882
2013	10157051
2014	10282115
2015	10405832
2016	10527592
2017	10647244
2018	10765531
2019	10881882
2020	10999664
2021	11117873
2022	11228821
2023	11332972