Year	Number
1960	1284407
1961	1299934
1962	1317844
1963	1336000
1964	1354433
1965	1373068
1966	1377990
1967	1378498
1968	1379006
1969	1379513
1970	1380022
1971	1349325
1972	1302468
1973	1257362
1974	1213758
1975	1171666
1976	1144804
1977	1132454
1978	1120221
1979	1108120
1980	1096133
1981	1086397
1982	1078841
1983	1071338
1984	1063876
1985	1056487
1986	1050252
1987	1045180.0000000001
1988	1040126
1989	1036500
1990	1035290
1991	1035099.9999999999
1992	1036008
1993	1038026.0000000001
1994	1042122.0000000001
1995	1048351.0000000001
1996	1055625
1997	1062331
1998	1067321
1999	1072211
2000	1077131
2001	1082059
2002	1090481
2003	1102529
2004	1114726
2005	1127024
2006	1139475
2007	1152295
2008	1165516
2009	1178851
2010	1192357
2011	1206959
2012	1222732
2013	1238601
2014	1254630
2015	1270867
2016	1287337
2017	1303974
2018	1320826
2019	1333888
2020	1346485
2021	1358608
2022	1370131
2023	1381005