Year	Number
1960	992333
1961	1019100
1962	1048548
1963	1081779
1964	1119743
1965	1159123
1966	1198304
1967	1239286
1968	1282061
1969	1326488
1970	1372701
1971	1420860
1972	1470493
1973	1521292
1974	1573162
1975	1626004
1976	1679734
1977	1734592
1978	1791400
1979	1850426
1980	1913955
1981	1982098
1982	2048674
1983	2114599
1984	2184330
1985	2257258
1986	2333363
1987	2412854
1988	2494243
1989	2576508
1990	2659995
1991	2743758
1992	2826800
1993	2908881
1994	2988950
1995	3065963
1996	3138778
1997	3207471
1998	3276772
1999	3350273
2000	3425655
2001	3500680
2002	3577892
2003	3660619
2004	3749241
2005	3841995
2006	3938170
2007	4038992
2008	4144873
2009	4255848
2010	4372075
2011	4492515
2012	4615973
2013	4741196
2014	4869378
2015	5002906
2016	5141972
2017	5282628
2018	5420092
2019	5553725
2020	5683961
2021	5810968
2022	5935093
2023	6055725