Year	Number
1960	2766233
1961	2815795
1962	2865985
1963	2915350
1964	2968527
1965	3027525
1966	3090505
1967	3157767
1968	3229495
1969	3307037
1970	3391008
1971	3481051
1972	3577052
1973	3678407
1974	3785374
1975	3899166
1976	4020077
1977	4148313
1978	4284108
1979	4429023
1980	4584436
1981	4749731
1982	4924875
1983	5111056
1984	5308819
1985	5518354
1986	5734043
1987	5960682
1988	6201065
1989	6448548
1990	6705257
1991	6971041
1992	7245593
1993	7528738
1994	7817072
1995	8097967
1996	8359588
1997	8612819
1998	8868676
1999	9128106
2000	9391539
2001	9655431
2002	9920754
2003	10191642
2004	10470934
2005	10771739
2006	11101550
2007	11446120
2008	11797215
2009	12154813
2010	12518994
2011	12891995
2012	13273109
2013	13660800
2014	14052916
2015	14439156
2016	14820156
2017	15202496
2018	15578957
2019	15953578
2020	16320979
2021	16668432
2022	17023203
2023	17396462