Year	Number
1960	66931
1961	67859
1962	68803
1963	69796
1964	70832
1965	71902
1966	73009
1967	74141
1968	75255
1969	76311
1970	77335
1971	78424
1972	79690
1973	80916
1974	82087
1975	83188
1976	84130
1977	84882
1978	85547
1979	86172
1980	86762
1981	87504
1982	88280
1983	89168
1984	90062
1985	90970
1986	91922
1987	93059
1988	94229
1989	95375
1990	96464
1991	97303
1992	97880
1993	98336
1994	98720
1995	99047
1996	99457
1997	99887
1998	100325
1999	100717
2000	101039
2001	101508
2002	102197
2003	102920
2004	103658
2005	104414
2006	105166
2007	105929
2008	106697
2009	107460
2010	108199
2011	108751
2012	109355
2013	110215
2014	111037
2015	111973
2016	113082
2017	114140
2018	115553
2019	117010
2020	118131
2021	119131
2022	119980
2023	120710