Year	Number
1960	19422526
1961	19964413
1962	20539995
1963	21151375
1964	21809871
1965	22505050
1966	23216591
1967	23947099
1968	24700209
1969	25477960
1970	26283759
1971	27115091
1972	27973502
1973	28861421
1974	29775279
1975	30713105
1976	31674193
1977	32662513
1978	33675201
1979	34700181
1980	35729978
1981	36754970
1982	37769613
1983	38777728
1984	39785937
1985	40802731
1986	41827711
1987	42859206
1988	43903069
1989	44956268
1990	46023415
1991	47104079
1992	48198778
1993	49316398
1994	50457836
1995	51620342
1996	52798926
1997	53990582
1998	55186801
1999	56378020
2000	57564654
2001	58739758
2002	59891995
2003	61008965
2004	62091207
2005	63140791
2006	64155113
2007	65139030
2008	66101591
2009	67053113
2010	68006673
2011	68953649
2012	69871335
2013	70752617
2014	71570121
2015	72315803
2016	73023834
2017	73688849
2018	74286342
2019	74838172
2020	75332317
2021	75720501
2022	76025305
2023	76319909