Year	Number
1960	9100854
1961	9372791
1962	9661697
1963	9972214
1964	10307933
1965	10671138
1966	11051873
1967	11436249
1968	11821185
1969	12203652
1970	12586479
1971	12959291
1972	13333965
1973	13725428
1974	14121471
1975	14524621
1976	14938048
1977	15365556
1978	15814445
1979	16301236
1980	16850870
1981	17468515
1982	18135029
1983	18831735
1984	19546233
1985	20294423
1986	21087710
1987	21915938
1988	22769321
1989	23639214
1990	24522250
1991	25411267
1992	26262136
1993	27079859
1994	27885994
1995	28667752
1996	29416969
1997	30113875
1998	30770855
1999	31404975
2000	32040621
2001	32663080
2002	33220468
2003	33721586
2004	34192109
2005	34618541
2006	35018578
2007	35439362
2008	35903471
2009	36405635
2010	36939037
2011	37485192
2012	38014577
2013	38516837
2014	38976386
2015	39398808
2016	39788080
2017	40152477
2018	40521656
2019	40902266
2020	41306067
2021	41720065
2022	42108106
2023	42467089