Year	Number
1960	1625074
1961	1643407
1962	1660901
1963	1677138
1964	1691941
1965	1706073
1966	1719762
1967	1732791
1968	1744979
1969	1755886
1970	1765506
1971	1774824
1972	1784327
1973	1793681
1974	1802456
1975	1810699
1976	1818321
1977	1825173
1978	1831800
1979	1838677
1980	1845963
1981	1853898
1982	1862964
1983	1873246
1984	1883949
1985	1894127
1986	1904510
1987	1916212
1988	1928895
1989	1942542
1990	1957360
1991	1972425
1992	1986249
1993	1998487
1994	2009324
1995	2018186
1996	2026313
1997	2034851
1998	2043319
1999	2051691
2000	2058876
2001	2063628
2002	2065885
2003	2068169
2004	2072744
2005	2077399
2006	2082780
2007	2090934
2008	2100672
2009	2111704
2010	2123833
2011	2136176
2012	2148186
2013	2159741
2014	2171113
2015	2181877
2016	2191693
2017	2201142
2018	2209721
2019	2216931
2020	2224277
2021	2230659
2022	2235847
2023	2241079