Year	Number
1960	980173
1961	1057218
1962	1140878
1963	1231632
1964	1330259
1965	1437032
1966	1553130
1967	1679252
1968	1797963
1969	1913129
1970	2035920
1971	2145518
1972	2261726
1973	2384449
1974	2514604
1975	2652483
1976	2798769
1977	2953356
1978	3117405
1979	3291295
1980	3475897
1981	3671087
1982	3878348
1983	4098161
1984	4331648
1985	4551376
1986	4782742
1987	5026043
1988	5282263
1989	5550972
1990	5833949
1991	6131556
1992	6445006
1993	6773777
1994	7120042
1995	7484258
1996	7867904
1997	8270349
1998	8662697
1999	9037995
2000	9430126
2001	9838148
2002	10264449
2003	10709253
2004	11174014
2005	11658976
2006	12165016
2007	12693056
2008	13244051
2009	13819001
2010	14418947
2011	15044981
2012	15698235
2013	16379898
2014	17091207
2015	17833452
2016	18607980
2017	19416198
2018	20259574
2019	21141723
2020	22065674
2021	23033974
2022	24047684
2023	25107076