Year	Number
1960	24345052
1961	24498760
1962	24665521
1963	24854559
1964	25069667
1965	25292400
1966	25499641
1967	25694120
1968	25865943
1969	26019665
1970	26164656
1971	26294708
1972	26445677
1973	26621405
1974	26791418
1975	26945508
1976	27072044
1977	27177189
1978	27262224
1979	27328394
1980	27409982
1981	27469197
1982	27480589
1983	27483892
1984	27483440
1985	27484648
1986	27480185
1987	27477010
1988	27484491
1989	27499059
1990	27515574
1991	27527215
1992	27538491
1993	27548717
1994	27546249
1995	27537757
1996	27537434
1997	27544913
1998	27545248
1999	27542538
2000	27550271
2001	27563815
2002	27608392
2003	27742139
2004	27937545
2005	28085940
2006	28171789
2007	28309208
2008	28490726
2009	28614327
2010	28692324
2011	28735593
2012	28823419
2013	29177490
2014	29460113
2015	29452171
2016	29433527
2017	29426940
2018	29408951
2019	29090818
2020	28957843
2021	28821030
2022	28741550
2023	28671370