Year	Number
1960	804595
1961	827495
1962	868218
1963	910946
1964	955839
1965	1002812
1966	1034645
1967	1049617
1968	1064827
1969	1080215
1970	1095847
1971	1033207.0000000001
1972	1028502
1973	1023832
1974	1019177
1975	1014543
1976	1009924
1977	1005338
1978	1000767
1979	996217
1980	991681
1981	991930
1982	996974
1983	1002044
1984	1007147
1985	1012261
1986	1017409
1987	1022583
1988	1027790
1989	1033010
1990	1038262.9999999999
1991	1051209
1992	1072208
1993	1093567
1994	1115381
1995	1137631
1996	1155126
1997	1167554
1998	1180134
1999	1192848
2000	1205718
2001	1216110
2002	1223997
2003	1231936
2004	1239937
2005	1247968
2006	1263550
2007	1286995
2008	1310908
2009	1335197
2010	1359972
2011	1385646
2012	1412295
2013	1439380
2014	1467023
2015	1495198
2016	1523953
2017	1553180
2018	1582968
2019	1608037
2020	1632798
2021	1656571
2022	1679050
2023	1700066