Year	Number
1960	12023550
1961	12426847
1962	12793949
1963	13186655
1964	13656551
1965	14252028
1966	14863393
1967	15456949
1968	16084693
1969	16685187
1970	17241942
1971	17839055
1972	18485784
1973	19101985
1974	19757731
1975	20442665
1976	21132782
1977	21870402
1978	22588934
1979	23207620
1980	23593929
1981	23653447
1982	23511507
1983	23417419
1984	23470311
1985	23517788
1986	23628047
1987	23901123
1988	24330556
1989	24906127
1990	25545871
1991	26231667
1992	26925402
1993	27635665
1994	28261580
1995	28769687
1996	29161758
1997	29444545
1998	29602317
1999	29627129
2000	29735090
2001	30035314
2002	30558374
2003	31223102
2004	31864359
2005	32380656
2006	32729443
2007	32757227
2008	32430054
2009	32011203
2010	31663627
2011	31655441
2012	31992395
2013	32462516
2014	33116917
2015	33886653
2016	34641307
2017	35419171
2018	36261416
2019	37215297
2020	38095616
2021	38721179
2022	38600700
2023	39405189