Year	Number
1960	3671291
1961	3657099
1962	3604016
1963	3542618
1964	3480851
1965	3422784
1966	3373709
1967	3326787
1968	3274028
1969	3212148
1970	3146066
1971	3095190
1972	3070665
1973	3040175
1974	3006938
1975	2990786
1976	2992672
1977	2986905
1978	2980527
1979	2972373
1980	2956103
1981	2943518
1982	2942728
1983	2940794
1984	2936381
1985	2928830
1986	2919496
1987	2910173
1988	2901692
1989	2897805
1990	2909451
1991	2927247
1992	2937007
1993	2941678
1994	2943828
1995	2944834
1996	2945109
1997	2946985
1998	2950498
1999	2949028
2000	2948257
2001	2942226
2002	2910513
2003	2875284
2004	2840339
2005	2807039
2006	2774156
2007	2740132
2008	2706538
2009	2673237
2010	2636648
2011	2593105
2012	2539911
2013	2483072
2014	2428790
2015	2375617
2016	2329011
2017	2288166
2018	2247680
2019	2209932
2020	2170211
2021	2109825
2022	2048160
2023	2002527