Year	Number
1960	2644917
1961	2674455
1962	2704919
1963	2734897
1964	2763622
1965	2787247
1966	2806236
1967	2824469
1968	2842464
1969	2858123
1970	2869707
1971	2879477
1972	2887943
1973	2895661
1974	2903646
1975	2906049
1976	2908957
1977	2916365
1978	2913267
1979	2912012
1980	2922499
1981	2934262
1982	2947141
1983	2963432
1984	2979890
1985	2983801
1986	2981362
1987	2981623
1988	2982498
1989	2948534
1990	2898866
1991	2876062
1992	2853493
1993	2840139
1994	2842164
1995	2842702
1996	2840737
1997	2836232
1998	2829220
1999	2820527
2000	2810609
2001	2759866
2002	2705853
2003	2690037
2004	2674211
2005	2655644
2006	2632495
2007	2605054
2008	2575219
2009	2543617
2010	2507739
2011	2468726
2012	2429783
2013	2391732
2014	2356212
2015	2322851
2016	2291079
2017	2259963
2018	2228549
2019	2198604
2020	2174017
2021	2150132
2022	2021440
2023	2013022