Year	Number
1960	680010
1961	690922
1962	702291
1963	713087
1964	722362
1965	731807
1966	742166
1967	752808
1968	763698
1969	774852
1970	786507
1971	798307
1972	810321
1973	822847
1974	835620
1975	848629
1976	861856
1977	875952
1978	891204
1979	907166
1980	923982
1981	941446
1982	959619
1983	978945
1984	999143
1985	1019941
1986	1043473
1987	1069980
1988	1097394
1989	1123628
1990	1167121
1991	1179992
1992	1157908
1993	1154829
1994	1158580
1995	1159898
1996	1164805
1997	1178738
1998	1189836
1999	1196565
2000	1225354
2001	1297207
2002	1371768
2003	1427303
2004	1476037
2005	1516849
2006	1551718
2007	1588038
2008	1631222
2009	1679835
2010	1731447
2011	1783925
2012	1837844
2013	1894012
2014	1953103
2015	2013743
2016	2077155
2017	2143112
2018	2209883
2019	2277006
2020	2344865
2021	2413999
2022	2483904
2023	2555062