Year	Number
1960	6500068
1961	6595158
1962	6696795
1963	6800274
1964	6904132
1965	7008914
1966	7116476
1967	7225978
1968	7336152
1969	7446175
1970	7557265
1971	7665498
1972	7771225
1973	7877272
1974	7981967
1975	8080623
1976	8171917
1977	8263376
1978	8357257
1979	8453136
1980	8551414
1981	8654890
1982	8764393
1983	8879260
1984	8998695
1985	9123545
1986	9255948
1987	9395577
1988	9543299
1989	9697900
1990	9856380
1991	10016600
1992	10178403
1993	10342108
1994	10508413
1995	10675050
1996	10839208
1997	11000016
1998	11158886
1999	11318532
2000	11478301
2001	11638654
2002	11800768
2003	11964379
2004	12129834
2005	12298546
2006	12469974
2007	12640487
2008	12811739
2009	12986332
2010	13058510
2011	13240577
2012	13412950
2013	13579584
2014	13746255
2015	13911426
2016	14075232
2017	14240976
2018	14411209
2019	14586325
2020	14770305
2021	14965150
2022	15160008
2023	15346624