Year	Number
1960	2913647
1961	2974508
1962	3032743
1963	3093038
1964	3155578
1965	3220748
1966	3288237
1967	3357749
1968	3429316
1969	3503584
1970	3580142
1971	3677855
1972	3785105
1973	3893381
1974	4004039
1975	4118846
1976	4237011
1977	4358472
1978	4483528
1979	4611979
1980	4742431
1981	4874429
1982	5015211
1983	5165978
1984	5327410
1985	5492771
1986	5661163
1987	5831543
1988	6002004
1989	6170724
1990	6337150
1991	6501196
1992	6664114
1993	6828770
1994	6994170
1995	7141839
1996	7284867
1997	7424973
1998	7562714
1999	7699680
2000	7836317
2001	7976889
2002	8121671
2003	8268708
2004	8424073
2005	8588948
2006	8910353
2007	9417590
2008	9690169
2009	9770518
2010	9917878
2011	10324299
2012	10499160
2013	10204281
2014	9735033
2015	9186221
2016	8944489
2017	8827268
2018	8862073
2019	9080189
2020	9248998
2021	9356279
2022	9564966
2023	9892618