Year	Number
1960	4648408
1961	4737863
1962	4832118
1963	4930235
1964	5031822
1965	5137715
1966	5246572
1967	5356479
1968	5468361
1969	5583550
1970	5703775
1971	5829624
1972	5958524
1973	6090686
1974	6228429
1975	6370665
1976	6514831
1977	6660468
1978	6807577
1979	6955993
1980	7105263
1981	7253684
1982	7401437
1983	7548447
1984	7694101
1985	7839327
1986	7985430
1987	8133324
1988	8281001
1989	8424736
1990	8564931
1991	8703946
1992	8842834
1993	8981860
1994	9121594
1995	9262532
1996	9405318
1997	9551155
1998	9700428
1999	9853407
2000	10010039
2001	10169856
2002	10333879
2003	10502180
2004	10674260
2005	10850217
2006	11028048
2007	11202016
2008	11369721
2009	11532057
2010	11686611
2011	11832020
2012	11967095
2013	12091158
2014	12211695
2015	12328424
2016	12467153
2017	12668844
2018	12909544
2019	13146408
2020	13314429
2021	13423378
2022	13458005
2023	13417152