Year	Number
1960	8613349
1961	8787465
1962	8983788
1963	9194590
1964	9425094
1965	9674003
1966	9939714
1967	10227301
1968	10534425
1969	10849623
1970	11159095
1971	11393055
1972	11638235
1973	11975444
1974	12328566
1975	12677779
1976	13043967
1977	13439821
1978	13858874
1979	14289662
1980	14677264
1981	15039384
1982	15437747
1983	15853294
1984	16278142
1985	16724069
1986	17178880
1987	17658933
1988	18125315
1989	18572545
1990	19030018
1991	19500780
1992	20006157
1993	20520458
1994	21008500
1995	21502185
1996	22020531
1997	22565260
1998	23155739
1999	23805092
2000	24472137
2001	25139524
2002	25853659
2003	26581229
2004	27290815
2005	28005207
2006	28739581
2007	29476981
2008	30208493
2009	30981203
2010	31827240
2011	32744083
2012	33719106
2013	34700817
2014	35715025
2015	36850746
2016	38128159
2017	39532597
2018	41074820
2019	42732656
2020	44340519
2021	45853034
2022	47407936
2023	49125007