Year	Number
1960	1727281
1961	1755921
1962	1783961
1963	1811532
1964	1838454
1965	1864094
1966	1880902
1967	1889137
1968	1896277
1969	1904247
1970	1917920
1971	1937768
1972	1956979
1973	1974054
1974	1991213
1975	2005998
1976	2020830
1977	2035217
1978	2047807
1979	2063264
1980	2081929
1981	2101354
1982	2121408
1983	2141877
1984	2161301
1985	2181150
1986	2201234
1987	2220262
1988	2243275
1989	2249512
1990	2248824
1991	2264499
1992	2281403
1993	2297452
1994	2260687
1995	2175927
1996	2096653
1997	2028695
1998	1977664
1999	1935952
2000	1896863
2001	1865663
2002	1847424
2003	1835929
2004	1827628
2005	1818897
2006	1811111
2007	1804474
2008	1802022
2009	1788952
2010	1778715
2011	1767150
2012	1756606
2013	1753480
2014	1754655
2015	1756212
2016	1756252
2017	1755805
2018	1754637
2019	1750910
2020	1751135
2021	1743681
2022	1745015
2023	1767206