Year	Number
1960	10276477
1961	10483000
1962	10742000
1963	10950000
1964	11167000
1965	11388000
1966	11651000
1967	11799000
1968	12009000
1969	12263000
1970	12507000
1971	12937000
1972	13177000
1973	13380000
1974	13723000
1975	13893000
1976	14033000
1977	14192000
1978	14358000
1979	14514000
1980	14692000
1981	14923260
1982	15184247
1983	15393472
1984	15579391
1985	15788312
1986	16018350
1987	16263874
1988	16532164
1989	16814416
1990	17065128
1991	17284036
1992	17478635
1993	17634808
1994	17805468
1995	18004882
1996	18224767
1997	18423037
1998	18607584
1999	18812264
2000	19028802
2001	19274701
2002	19495210
2003	19720737
2004	19932722
2005	20176844
2006	20450966
2007	20827622
2008	21249199
2009	21691653
2010	22031750
2011	22340024
2012	22733465
2013	23128129
2014	23475686
2015	23815995
2016	24190907
2017	24592588
2018	24963258
2019	25334826
2020	25649248
2021	25685412
2022	26014399
2023	26638544