Year	Number
1960	545181
1961	559029
1962	573285
1963	585732
1964	600361
1965	616424
1966	632814
1967	651177
1968	668496
1969	684706
1970	701989
1971	719731
1972	738102
1973	757758
1974	777593
1975	796685
1976	813925
1977	830957
1978	847769
1979	863081
1980	874594
1981	881727
1982	887706
1983	892608
1984	898648
1985	909843
1986	924854
1987	939272
1988	952639
1989	965476
1990	977774
1991	989335
1992	1000176
1993	1011277
1994	1023303
1995	1035840
1996	1047749
1997	1059282
1998	1071731
1999	1085388
2000	1099734
2001	1115409
2002	1129663
2003	1142456
2004	1158212
2005	1175897
2006	1196852
2007	1222961
2008	1252711
2009	1284448
2010	1313796
2011	1345943
2012	1380632
2013	1414537
2014	1448097
2015	1479382
2016	1508286
2017	1536158
2018	1563463
2019	1591310
2020	1617570
2021	1650844
2022	1694534
2023	1740343