Year	Number
1960	724647
1961	743253
1962	761007
1963	777690
1964	795640
1965	815173
1966	835058
1967	854848
1968	874822
1969	894916
1970	918367
1971	944949
1972	972115
1973	1000458
1974	1029573
1975	1059170
1976	1089035
1977	1120262
1978	1153122
1979	1186484
1980	1218693
1981	1242348
1982	1268033
1983	1303769
1984	1340417
1985	1376724
1986	1412536
1987	1448950
1988	1484225
1989	1516520
1990	1547854
1991	1577543
1992	1606415
1993	1638424
1994	1672117
1995	1704377
1996	1734861
1997	1763398
1998	1789281
1999	1812176
2000	1832178
2001	1849827
2002	1866045
2003	1880984
2004	1894365
2005	1905883
2006	1915700
2007	1931844
2008	1955787
2009	1981097
2010	2007098
2011	2033386
2012	2059903
2013	2086480
2014	2111866
2015	2134210
2016	2153493
2017	2169009
2018	2179424
2019	2186211
2020	2196582
2021	2210611
2022	2224745
2023	2239825