Year	Number
1960	19858799
1961	20464004
1962	21071351
1963	21703597
1964	22354151
1965	23023641
1966	23729438
1967	24469740
1968	25213464
1969	25963386
1970	26729667
1971	27513203
1972	28326387
1973	29172514
1974	30037258
1975	30977945
1976	32058834
1977	33120317
1978	34082864
1979	35146192
1980	36287589
1981	37364875
1982	38458422
1983	39619111
1984	40785292
1985	41923264
1986	43083469
1987	44231875
1988	45254106
1989	46225473
1990	47473793
1991	48158894
1992	48949928
1993	49834702
1994	50704687
1995	51427736
1996	52036340
1997	52543428
1998	53031803
1999	53524974
2000	54013400
2001	54493141
2002	54980099
2003	55480786
2004	56011566
2005	56600611
2006	57194499
2007	57812270
2008	58606879
2009	59549617
2010	60579304
2011	61706051
2012	62979270
2013	64475393
2014	66017784
2015	67443777
2016	68739213
2017	69935290
2018	71098668
2019	72212960
2020	73227751
2021	74115081
2022	74877415
2023	75520061