Year	Number
1960	45294
1961	46531
1962	47816
1963	49216
1964	50725
1965	52315
1966	53984
1967	55711
1968	57469
1969	59185
1970	60672
1971	61902
1972	63014
1973	64066
1974	65086
1975	66314
1976	67770
1977	69245
1978	70741
1979	72316
1980	74094
1981	75959
1982	77760
1983	79552
1984	81345
1985	83159
1986	84995
1987	86837
1988	88689
1989	90546
1990	92420
1991	94400
1992	96410
1993	98382
1994	100525
1995	103111
1996	106262
1997	109906
1998	113805
1999	117713
2000	121540
2001	125328
2002	129160
2003	133040
2004	136966
2005	140947
2006	144981
2007	149054
2008	153151
2009	157247
2010	161229
2011	165130
2012	169071
2013	173067
2014	177061
2015	180965
2016	184798
2017	188588
2018	192359
2019	195944
2020	198810
2021	201231
2022	203747
2023	206461