Year	Number
1960	7387453
1961	7553342
1962	7730375
1963	7919135
1964	8124516
1965	8345728
1966	8580843
1967	8834859
1968	9105716
1969	9384627
1970	9659549
1971	9862602
1972	10078186
1973	10381715
1974	10695358
1975	10997269
1976	11307527
1977	11643163
1978	11999905
1979	12366589
1980	12706102
1981	13034345
1982	13391313
1983	13756089
1984	14119667
1985	14491914
1986	14864020
1987	15253477
1988	15621246
1989	15968100
1990	16327901
1991	16700358
1992	17108055
1993	17527358
1994	17921999
1995	18323593
1996	18752958
1997	19212810
1998	19726947
1999	20306503
2000	20909517
2001	21515155
2002	22160277
2003	22816102
2004	23457306
2005	24108514
2006	24775904
2007	25435688
2008	26100663
2009	26815957
2010	27596430
2011	28439379
2012	29325727
2013	30205361
2014	31099106
2015	32089967
2016	33200914
2017	34417613
2018	35741479
2019	37164403
2020	38545355
2021	39816469
2022	41123724
2023	42587240