Year	Number
1960	109209
1961	110622
1962	110144
1963	109333
1964	108358
1965	107424
1966	106635
1967	105866
1968	104921
1969	103673
1970	102064
1971	100084
1972	97748
1973	95789
1974	94197
1975	92387
1976	90847
1977	89621
1978	88514
1979	87694
1980	87267
1981	87271
1982	88293
1983	90597
1984	93119
1985	95119
1986	96669
1987	97893
1988	98932
1989	99870
1990	100695
1991	101343
1992	102259
1993	104682
1994	107614
1995	109398
1996	110241
1997	110376
1998	110010
1999	109285
2000	108286
2001	107409
2002	107521
2003	107968
2004	107609
2005	106519
2006	104893
2007	103010
2008	101134
2009	99454
2010	98095
2011	97380
2012	97341
2013	97450
2014	97643
2015	98112
2016	98852
2017	99671
2018	100412
2019	101157
2020	101808
2021	102245
2022	102550
2023	102743