Year	Number
1960	4667532
1961	4684322
1962	4703850
1963	4739832
1964	4785461
1965	4829627
1966	4862814
1967	4890437
1968	4910379
1969	4925093
1970	4930568
1971	4940061
1972	4960265
1973	4976887
1974	4993406
1975	5008581
1976	5018345
1977	5025334
1978	5030602
1979	5035561
1980	5041568
1981	5041794
1982	5040429
1983	5039747
1984	5039566
1985	5041213
1986	5042826
1987	5046723
1988	5062638
1989	5080811
1990	5095639
1991	5114249
1992	5134710
1993	5154597
1994	5170235
1995	5180981
1996	5191148
1997	5203539
1998	5214277
1999	5225912
2000	5238286
2001	5255887
2002	5278890
2003	5300080
2004	5322057
2005	5350390
2006	5384595
2007	5422833
2008	5464009
2009	5506057
2010	5554185
2011	5624101
2012	5655983
2013	5679319
2014	5700881
2015	5729707
2016	5754446
2017	5772621
2018	5794664
2019	5821746
2020	5842749
2021	5863808
2022	5911748
2023	5978050