Year	Number
1960	1030481
1961	1033973
1962	1040288
1963	1050117
1964	1061528
1965	1074667
1966	1089993
1967	1104542
1968	1117034
1969	1125897
1970	1135335
1971	1145328
1972	1154328
1973	1162780
1974	1167347
1975	1177266
1976	1193966
1977	1208060
1978	1220961
1979	1234171
1980	1249759
1981	1260673
1982	1272175
1983	1289184
1984	1302384
1985	1312624
1986	1332102
1987	1351199
1988	1357659
1989	1361504
1990	1366638
1991	1371756
1992	1373867
1993	1374726
1994	1377428
1995	1381451
1996	1383707
1997	1384788
1998	1384432
1999	1387822
2000	1393808
2001	1397247
2002	1400960
2003	1404742
2004	1407180
2005	1409291
2006	1412124
2007	1416346
2008	1413072
2009	1420914
2010	1424723
2011	1423058
2012	1416740
2013	1408072
2014	1397951
2015	1387404
2016	1377667
2017	1367747
2018	1361372
2019	1360022
2020	1360190
2021	1355719
2022	1350072
2023	1349315