Year	Number
1960	1980489
1961	1948522
1962	1924044
1963	1899880
1964	1872544
1965	1841101
1966	1810359
1967	1782653
1968	1753154
1969	1715054
1970	1671905
1971	1636243
1972	1606899
1973	1577275
1974	1546998
1975	1515623
1976	1482252
1977	1449014
1978	1416158
1979	1383190
1980	1351318
1981	1318646
1982	1285267
1983	1252696
1984	1219718
1985	1185942
1986	1152471
1987	1120036
1988	1088226
1989	1057858
1990	1028850
1991	1010620
1992	1001945
1993	992568
1994	982659
1995	972370
1996	962241
1997	952617
1998	942729
1999	932575
2000	922245
2001	914750
2002	909949
2003	905083
2004	900709
2005	896820
2006	893317
2007	890197
2008	887391
2009	884704
2010	870472
2011	845258
2012	820704
2013	809047
2014	809669
2015	809601
2016	809183
2017	808330
2018	806259
2019	803615
2020	800844
2021	798128
2022	795579
2023	794473