Year	Number
1960	33324198
1961	34846648
1962	36465499
1963	38204113
1964	40060668
1965	42032470
1966	44075201
1967	46225415
1968	48501059
1969	50905756
1970	53386672
1971	56068832
1972	58910651
1973	61902200
1974	65032580
1975	68337491
1976	71800832
1977	75355686
1978	79177151
1979	83061532
1980	86987455
1981	91222927
1982	95680032
1983	100349721
1984	105336589
1985	110785381
1986	116618613
1987	122730824
1988	128998052
1989	135445799
1990	142095067
1991	148300569
1992	154604239
1993	161130214
1994	167806057
1995	174576722
1996	181310728
1997	188271814
1998	195486200
1999	202974349
2000	210783626
2001	219359318
2002	228348894
2003	237701252
2004	247480261
2005	257782348
2006	268490016
2007	279319896
2008	291310174
2009	303790003
2010	316812745
2011	330350732
2012	344254829
2013	358703155
2014	373796491
2015	389621902
2016	405715192
2017	422172315
2018	439359674
2019	457079585
2020	475366815
2021	494023571
2022	513090569
2023	532830849