Year	Number
1960	708061
1961	726557
1962	745562
1963	765065
1964	785106
1965	805615
1966	823420
1967	839217
1968	855339
1969	871726
1970	888449
1971	905494
1972	922889
1973	940570
1974	958614
1975	977004
1976	995774
1977	1014850
1978	1034319.9999999999
1979	1054162
1980	1074414
1981	1094997
1982	1116004
1983	1137414
1984	1159265
1985	1181474
1986	1192558
1987	1192104
1988	1191649
1989	1191196
1990	1190742
1991	1190289
1992	1189835
1993	1184909
1994	1176648
1995	1168445
1996	1160287
1997	1152209
1998	1144176
1999	1136199
2000	1128266
2001	1120411
2002	1132680
2003	1145963
2004	1157368
2005	1168854
2006	1177565
2007	1185484
2008	1195578
2009	1205730
2010	1215983
2011	1226323
2012	1236765
2013	1244740
2014	1250228
2015	1255741
2016	1261286
2017	1266840
2018	1272418
2019	1276937
2020	1280968
2021	1284311
2022	1286789
2023	1288114