Year	Number
1960	2642161
1961	2665448
1962	2681616
1963	2689391
1964	2687046
1965	2664621
1966	2630100
1967	2601332
1968	2579190
1969	2547382
1970	2524657
1971	2521380
1972	2527676
1973	2541411
1974	2590676
1975	2700010
1976	2784125
1977	2822196
1978	2864646
1979	2911215
1980	2961380
1981	3006616
1982	3042148
1983	3073267
1984	3102805
1985	3127192
1986	3145035
1987	3160619
1988	3174645
1989	3187849
1990	3202180
1991	3217428
1992	3232505
1993	3248270
1994	3267535
1995	3289051
1996	3309371
1997	3329972
1998	3351585
1999	3375129
2000	3402746
2001	3426030
2002	3437014
2003	3439515
2004	3437603
2005	3435693
2006	3437220
2007	3440627
2008	3438582
2009	3431112
2010	3422050
2011	3404671
2012	3375597
2013	3338651
2014	3301191
2015	3271817
2016	3247081
2017	3223908
2018	3204246
2019	3193593
2020	3189538
2021	3205068
2022	3213819
2023	3240609