Year	Number
1960	71246
1961	71965
1962	72673
1963	73459
1964	74289
1965	75070
1966	75802
1967	76501
1968	77123
1969	77660
1970	78124
1971	78628
1972	79347
1973	80269
1974	81318
1975	82463
1976	83310
1977	83732
1978	84131
1979	84658
1980	85278
1981	86233
1982	87614
1983	89102
1984	90524
1985	91864
1986	93125
1987	94323
1988	95488
1989	96574
1990	97545
1991	98038
1992	98000
1993	97883
1994	97773
1995	97703
1996	97812
1997	98141
1998	98544
1999	98955
2000	99380
2001	99886
2002	100562
2003	101341
2004	102187
2005	103141
2006	104234
2007	105391
2008	106466
2009	107437
2010	108347
2011	108697
2012	108707
2013	109144
2014	109630
2015	110274
2016	111076
2017	111911
2018	113535
2019	115479
2020	117032
2021	118307
2022	119211
2023	119803