Year	Number
1960	820390
1961	828744
1962	836672
1963	844023
1964	850687
1965	856954
1966	862926
1967	868473
1968	873486
1969	877723
1970	881215
1971	884507
1972	887832
1973	891077
1974	894124
1975	897012
1976	899994
1977	903023
1978	906065
1979	909258
1980	912638
1981	916353
1982	920641
1983	925602
1984	930905
1985	936104
1986	941420
1987	947312
1988	953702
1989	960568
1990	967956
1991	975411
1992	982231
1993	988258
1994	993555
1995	997804
1996	1001670
1997	1005755
1998	1009842
1999	1013926
2000	1017320
2001	1019283
2002	1019825
2003	1020324
2004	1022051
2005	1024470
2006	1027842
2007	1032611
2008	1038172
2009	1044376
2010	1051123
2011	1057975
2012	1064696
2013	1071178
2014	1077486
2015	1083478
2016	1089050
2017	1094509
2018	1099578
2019	1103936
2020	1108390
2021	1112257
2022	1115469
2023	1118803