Year	Number
1960	5824918
1961	5869897
1962	5905143
1963	5943869
1964	6001519
1965	6072016
1966	6172846
1967	6313036
1968	6471455
1969	6640764
1970	6813363
1971	6989839
1972	7175283
1973	7373785
1974	7589845
1975	7871099
1976	8201406
1977	8501215
1978	8793101
1979	9112626
1980	9454469
1981	9818280
1982	10205109
1983	10615287
1984	11049456
1985	11508322
1986	11985995
1987	12442958
1988	12880345
1989	13329909
1990	13789483
1991	14250380
1992	14710931
1993	15182962
1994	15668783
1995	16176902
1996	16727703
1997	17309467
1998	17887221
1999	18466896
2000	19055389
2001	19637295
2002	20206328
2003	20759991
2004	21301420
2005	21799276
2006	22287052
2007	22796543
2008	23293706
2009	23777487
2010	24238179
2011	24667114
2012	25063165
2013	25412579
2014	25723551
2015	26021777
2016	26311329
2017	26594763
2018	26884238
2019	27191521
2020	27520307
2021	27878915
2022	28275097
2023	28705840