Year	Number
1960	1497300
1961	1540694
1962	1591217
1963	1642331
1964	1693962
1965	1746341
1966	1793148
1967	1834150
1968	1875454
1969	1916749
1970	1957650
1971	1999015
1972	2041913
1973	2086367
1974	2132043
1975	2190101
1976	2270251
1977	2343649
1978	2396656
1979	2456299
1980	2523622
1981	2585933
1982	2648313
1983	2715657
1984	2789888
1985	2871486
1986	2962941
1987	3060584
1988	3153430
1989	3253289
1990	3374102
1991	3481263
1992	3600572
1993	3729321
1994	3860918
1995	3988527
1996	4142903
1997	4327787
1998	4488281
1999	4620829
2000	4748470
2001	4869502
2002	4987456
2003	5097622
2004	5202823
2005	5308804
2006	5415157
2007	5526543
2008	5649373
2009	5790633
2010	5954545
2011	6144205
2012	6364324
2013	6613019
2014	6876906
2015	7152108
2016	7438055
2017	7753265
2018	8110204
2019	8492113
2020	8857445
2021	9204949
2022	9578622
2023	10004379