Year	Number
1960	2688291
1961	2767646
1962	2850220
1963	2931833
1964	3010392
1965	3088948
1966	3171046
1967	3257046
1968	3353317
1969	3460581
1970	3573371
1971	3691510
1972	3817149
1973	3948034
1974	4081539
1975	4219465
1976	4362193
1977	4509203
1978	4656025
1979	4798409
1980	4939093
1981	5084785
1982	5238188
1983	5404475
1984	5579137
1985	5764196
1986	5961079
1987	6166203
1988	6372853
1989	6574889
1990	6779709
1991	6988298
1992	7202019
1993	7461396
1994	7773683
1995	8050687
1996	8246223
1997	8454397
1998	8702320
1999	8957237
2000	9230262
2001	9497070
2002	9758476
2003	10029019
2004	10309304
2005	10595804
2006	10889595
2007	11191841
2008	11492606
2009	11777248
2010	12082481
2011	12435171
2012	12813741
2013	13218882
2014	13650034
2015	14120800
2016	14627870
2017	15148516
2018	15673934
2019	16207634
2020	16768103
2021	17351728
2022	17944308
2023	18546705