Year	Number
1960	3349316
1961	3560717
1962	3815085
1963	4088345
1964	4382367
1965	4697467
1966	4994752
1967	5293097
1968	5612723
1969	5953800
1970	6319334
1971	6626792
1972	6910649
1973	7207161
1974	7518187
1975	7844025
1976	8151709
1977	8455525
1978	8772796
1979	9103750
1980	9449544
1981	9838042
1982	10255564
1983	10691381
1984	11146960
1985	11621250
1986	12081698
1987	12545347
1988	13028586
1989	13530218
1990	14053150
1991	14503135
1992	14925862
1993	15360308
1994	15808652
1995	16270732
1996	16747655.999999998
1997	17237879
1998	17711183
1999	18174366
2000	18651191
2001	19229175
2002	19868003
2003	20528831
2004	21213396
2005	21919627
2006	22651235
2007	23408128
2008	24192300
2009	25001389
2010	25839645
2011	26706973
2012	27400782
2013	27903045
2014	28416288
2015	28908251
2016	29377612
2017	29853900
2018	30339219
2019	30836753
2020	31344136
2021	31852051
2022	32346597
2023	32815076