Year	Number
1960	1832687
1961	1849752
1962	1867011
1963	1884444
1964	1902075
1965	1909218
1966	1905654
1967	1902115
1968	1898594
1969	1895105
1970	1894894
1971	1898173
1972	1901687
1973	1905421
1974	1909394
1975	1905802
1976	1894388
1977	1883078
1978	1871826
1979	1860648
1980	1852615
1981	1847807
1982	1843075
1983	1838425
1984	1833851
1985	1836180
1986	1845482
1987	1854830
1988	1864241
1989	1873674
1990	1887011
1991	1904397
1992	1921980
1993	1939688
1994	1957596
1995	1969268
1996	1974479
1997	1979690
1998	1984924
1999	1990173
2000	1995529
2001	2000973
2002	2006441
2003	2011926
2004	2017434
2005	2024387
2006	2032865
2007	2041404
2008	2050016.9999999998
2009	2058667
2010	2067389.9999999998
2011	2076177.0000000002
2012	2085039.0000000002
2013	2093938
2014	2102915
2015	2111956
2016	2121062
2017	2130233
2018	2139470
2019	2149006
2020	2158998
2021	2169526
2022	2180573
2023	2192037