Year	Number
1960	611872
1961	617342
1962	622513
1963	626555
1964	630037
1965	634341
1966	640510
1967	650119
1968	663223
1969	678566
1970	837715
1971	1189965
1972	706755
1973	723091
1974	734906
1975	743768
1976	751403
1977	755475
1978	754931
1979	752477
1980	748701
1981	742812
1982	735593
1983	720850
1984	701661
1985	681364
1986	656675
1987	629420
1988	600553
1989	573052
1990	545499
1991	514166
1992	482947
1993	454890
1994	431898
1995	409079
1996	385686
1997	368054
1998	351612
1999	333269
2000	315980
2001	299745
2002	283726
2003	267689
2004	251602
2005	234612
2006	217665
2007	202321
2008	187628
2009	173161
2010	159665
2011	147617
2012	137712
2013	130109
2014	123383
2015	116776
2016	111156
2017	105621
2018	100835
2019	97239
2020	93430
2021	89743
2022	86271