Year	Number
1960	1135668
1961	1138064
1962	1135508
1963	1130381
1964	1126660
1965	1127146
1966	1132687
1967	1138864
1968	1141299
1969	1137647
1970	1130296
1971	1124697
1972	1123024
1973	1121465
1974	1121348
1975	1130819
1976	1149202
1977	1163261
1978	1174403
1979	1182173
1980	1184069
1981	1181256
1982	1170813
1983	1156954
1984	1140024
1985	1119162
1986	1095848
1987	1072693
1988	1050125
1989	1028357
1990	1011072
1991	995317
1992	976116
1993	955358
1994	932568
1995	908185
1996	884914
1997	865004
1998	847968
1999	832725
2000	821832
2001	815527
2002	810286
2003	805285
2004	802238
2005	804046
2006	808087
2007	811527
2008	816779
2009	823276
2010	828396
2011	830188
2012	827513
2013	822047
2014	815426
2015	807062
2016	800250
2017	795712
2018	790781
2019	785908
2020	779301
2021	763803
2022	743372
2023	724156