Year	Number
1960	75057
1961	88055
1962	100834
1963	107164
1964	113902
1965	121043
1966	128643
1967	136719
1968	145315
1969	154426
1970	164121
1971	174425
1972	185392
1973	197015
1974	210374
1975	226162
1976	243158
1977	261380
1978	280995
1979	302083
1980	324785
1981	349123
1982	375323
1983	403490
1984	446331
1985	513979.00000000006
1986	591995
1987	681853
1988	785503
1989	904557
1990	1041858
1991	1200000
1992	945962
1993	746192
1994	588417
1995	464002
1996	836241
1997	805755
1998	776341
1999	748000
2000	835532
2001	933022
2002	1042046
2003	1163810
2004	1300000
2005	1202031
2006	1111324
2007	1027462
2008	980861
2009	1017688
2010	1055952
2011	1095654
2012	1136906
2013	1179592
2014	1223881
2015	1269832
2016	1317509
2017	1366976
2018	1418300
2019	1467026
2020	1517235
2021	1569013
2022	1622582
2023	1678020