Year	Number
1960	1642331
1961	1663754
1962	1683761
1963	1703868
1964	1725181
1965	1746977
1966	1768803
1967	1790580
1968	1812209
1969	1834615
1970	1859091
1971	1886143
1972	1915299
1973	1945320
1974	1974880
1975	2003094
1976	2029486
1977	2054927
1978	2080485
1979	2106937
1980	2135546
1981	2166657
1982	2199606
1983	2232782
1984	2264095
1985	2292030
1986	2315871
1987	2336245
1988	2354805
1989	2373365
1990	2392030
1991	2411867
1992	2434574
1993	2459062
1994	2484182
1995	2509372
1996	2532894
1997	2554954
1998	2576567
1999	2596271
2000	2612205
2001	2625405
2002	2638244
2003	2651027
2004	2664024
2005	2676863
2006	2689660
2007	2701221
2008	2711373
2009	2722401
2010	2733896
2011	2746169
2012	2759817
2013	2773129
2014	2784543
2015	2794445
2016	2802695
2017	2808376
2018	2811835
2019	2813773
2020	2820436
2021	2827695
2022	2827377
2023	2825544