Year	Number
1960	569958
1961	582031
1962	594435
1963	607952
1964	622579
1965	637753
1966	653710
1967	670386
1968	687807
1969	706008
1970	725018
1971	744909
1972	765657
1973	787273
1974	809686
1975	830124
1976	848628
1977	867925
1978	888207
1979	909773
1980	932748
1981	956881
1982	981362
1983	1005857
1984	1034603
1985	1067664
1986	1101416
1987	1136368
1988	1172163
1989	1209586
1990	1248394
1991	1288222
1992	1328360
1993	1372048
1994	1416595
1995	1459109
1996	1502645
1997	1532239
1998	1565369
1999	1615478
2000	1699978
2001	1784897
2002	1829663
2003	1887576
2004	1965394
2005	2050388
2006	2141440
2007	2231089
2008	2307930
2009	2410145
2010	2518588
2011	2593573
2012	2653141
2013	2701056
2014	2752500
2015	2808201
2016	2870177
2017	2939095
2018	3013042
2019	3091439
2020	3174994
2021	3263441
2022	3357077
2023	3457164