Year	Number
1960	974366
1961	1003985
1962	1033346
1963	1062260
1964	1091264
1965	1120994
1966	1151311
1967	1181669
1968	1211883
1969	1242211
1970	1272684
1971	1303817
1972	1335639
1973	1367922
1974	1398631
1975	1427773
1976	1458142
1977	1490220
1978	1524448
1979	1561322
1980	1601406
1981	1644502
1982	1691466
1983	1740477
1984	1788951
1985	1837334
1986	1886119
1987	1935704
1988	1986073
1989	2036790
1990	2087022
1991	2136515
1992	2184846
1993	2231715
1994	2279731
1995	2328991
1996	2376604
1997	2422314
1998	2466951
1999	2511648
2000	2560160
2001	2608623
2002	2651388
2003	2686789
2004	2716501
2005	2741978
2006	2763905
2007	2782391
2008	2797744
2009	2810041
2010	2819355
2011	2827160
2012	2833740
2013	2839181
2014	2844544
2015	2850553
2016	2855092
2017	2858468
2018	2862024
2019	2863733
2020	2861174
2021	2857074
2022	2852311
2023	2845244