Year	Number
1960	1514719
1961	1545352
1962	1576453
1963	1598525
1964	1622554
1965	1645444
1966	1673534
1967	1683062
1968	1700778
1969	1727922
1970	1755422
1971	1807712
1972	1829404
1973	1839225
1974	1862353
1975	1857562
1976	1845474
1977	1835354
1978	1826285
1979	1816530
1980	1812972
1981	1819047
1982	1828361
1983	1828652
1984	1822618
1985	1814874
1986	1805300
1987	1799753
1988	1804173
1989	1816576
1990	1830182
1991	1843868
1992	1857218
1993	1866611
1994	1876742
1995	1888074
1996	1898786
1997	1905535
1998	1910155
1999	1916518
2000	1923115
2001	1930554
2002	1933063
2003	1934961
2004	1935805
2005	1940380
2006	1949643
2007	1970722
2008	1996641
2009	2024819
2010	2044256
2011	2063455
2012	2095489
2013	2130336
2014	2160425
2015	2190286
2016	2223295
2017	2255118
2018	2280149
2019	2301870
2020	2313876
2021	2296292
2022	2301345
2023	2330651