Year	Number
1960	7898093
1961	8026804
1962	8163985
1963	8308019
1964	8458694
1965	8617815
1966	8782038
1967	8951970
1968	9128927
1969	9311235
1970	9501003
1971	9691641
1972	9886067
1973	10092624
1974	10300800
1975	10498997
1976	10676535
1977	10845486
1978	11001526
1979	10981014
1980	10489394
1981	9307672
1982	8358450
1983	8185365
1984	8362433
1985	8515214
1986	8395637
1987	8225793
1988	8203141
1989	8422410
1990	8429959
1991	8460100
1992	9482568
1993	11000794
1994	12127356
1995	12868486
1996	13392069
1997	13909967
1998	14444061
1999	15027717
2000	15228282
2001	15323859
2002	16325389
2003	17583264
2004	18254002
2005	18869118
2006	19614729
2007	19916271
2008	20264376
2009	20942092
2010	21498290
2011	22244569
2012	23105778
2013	23853670
2014	24672275
2015	25381619
2016	25970228
2017	26643455
2018	27333488
2019	28042342
2020	28829317
2021	29547690
2022	30181937
2023	30863394