Year	Number
1960	1873783
1961	1961181
1962	2055332
1963	2153903
1964	2254829
1965	2364694
1966	2483072
1967	2602578
1968	2722577
1969	2842964
1970	2963386
1971	3083134
1972	3201901
1973	3319810
1974	3437922
1975	3557268
1976	3677462
1977	3799137
1978	3923725
1979	4051792
1980	4183018
1981	4318310
1982	4458633
1983	4603140
1984	4752304
1985	4906103
1986	5063292
1987	5223908
1988	5386670
1989	5548473
1990	5706442
1991	5856497
1992	5998542
1993	6134222
1994	6264985
1995	6393952
1996	6521296
1997	6648249
1998	6780049
1999	6917431
2000	7060081
2001	7211736
2002	7369545
2003	7531398
2004	7701900
2005	7884549
2006	8081824
2007	8293828
2008	8516954
2009	8741822
2010	8953242
2011	9142781
2012	9313156
2013	9463094
2014	9592487
2015	9707657
2016	9813811
2017	9906756
2018	9980677
2019	10042819
2020	10098102
2021	10140630
2022	10175734
2023	10211069