Year	Number
1960	1513856
1961	1539498
1962	1568069
1963	1597170
1964	1626853
1965	1657003
1966	1687755
1967	1719078
1968	1751026
1969	1783478
1970	1816577
1971	1862402
1972	1919999
1973	1979211
1974	2040335
1975	2103347
1976	2168396
1977	2235269
1978	2304300
1979	2375464
1980	2448928
1981	2503147
1982	2506915
1983	2510689
1984	2514473
1985	2518253
1986	2522044
1987	2525840
1988	2529647
1989	2533450
1990	2537263
1991	2543228
1992	2557289
1993	2571389
1994	2585585
1995	2599861
1996	2614235
1997	2628648
1998	2643161
1999	2657754
2000	2672448
2001	2686804
2002	2700389
2003	2714041
2004	2727782
2005	2741554
2006	2755415
2007	2769346
2008	2783367
2009	2797419
2010	2811563
2011	2825778
2012	2840065
2013	2854424
2014	2868856
2015	2883360
2016	2897938
2017	2912590
2018	2927316
2019	2942097
2020	2956879
2021	2971587
2022	2986162
2023	3000536