Year	Number
1960	4821466
1961	4986055
1962	5150305
1963	5313783
1964	5474950
1965	5633055
1966	5788124
1967	5940320
1968	6088926
1969	6226484
1970	6343008
1971	6438046
1972	6527527
1973	6621595
1974	6717859
1975	6815940
1976	6913680
1977	7015367
1978	7121165
1979	7227413
1980	7337393
1981	7452122
1982	7572632
1983	7699561
1984	7829663
1985	7960779
1986	8123116
1987	8319243
1988	8523201
1989	8436600
1990	8482848
1991	8532977
1992	8524847
1993	8496682
1994	8381896
1995	8220169
1996	8108311
1997	7997169
1998	7877753
1999	7815477
2000	7797373
2001	7788399
2002	7791988
2003	7820478
2004	7877124
2005	7949338
2006	8035070
2007	8126518
2008	8277191
2009	8438381
2010	8552136
2011	8668254
2012	8784512
2013	8904870
2014	9029051
2015	9154229
2016	9275967
2017	9393051
2018	9508427
2019	9623458
2020	9743042
2021	9963421
2022	10185836
2023	10314585