Year	Number
1960	1279963
1961	1319502
1962	1327442
1963	1329139
1964	1331221
1965	1328521
1966	1318035
1967	1302484
1968	1284568
1969	1268126
1970	1250168
1971	1232562
1972	1221723
1973	1218583
1974	1224519
1975	1234780
1976	1246119
1977	1260686
1978	1275555
1979	1288948
1980	1299916
1981	1310705
1982	1325141
1983	1341305
1984	1355501
1985	1366695
1986	1374205
1987	1375071
1988	1369233
1989	1356593
1990	1339030
1991	1316596
1992	1292912
1993	1271575
1994	1246741
1995	1218084
1996	1188915
1997	1159225
1998	1128559
1999	1096932
2000	1061599
2001	1024891
2002	991159
2003	959563
2004	931500
2005	906666
2006	882924
2007	862020
2008	845539
2009	836080
2010	832811
2011	832043
2012	831274
2013	830017
2014	829889
2015	831014
2016	836121
2017	845029
2018	854007
2019	861075
2020	864785
2021	865081
2022	854936
2023	848125