Year	Number
1960	138417401
1961	135699617
1962	136743407
1963	142247275
1964	147633573
1965	152070288
1966	156646614
1967	159982633
1968	163424526
1969	167658833
1970	171727790
1971	175965648
1972	179247595
1973	182287394
1974	186151953
1975	189806520
1976	192859753
1977	193196039
1978	189622237
1979	185501187
1980	182212708
1981	179417252
1982	178003610
1983	175879703
1984	172518007
1985	169656137
1986	167795084
1987	167395566
1988	167545643
1989	168179802
1990	170109142
1991	171958424
1992	172972680
1993	173806894
1994	174082946
1995	173653772
1996	172561561
1997	170543822
1998	168448128
1999	166455036
2000	163872771
2001	160386596
2002	155761391
2003	150966185
2004	146281015
2005	141242325
2006	137355112
2007	135301204
2008	134050877
2009	133350041
2010	132961705
2011	132906521
2012	133621182
2013	134671665
2014	135744033
2015	136449025
2016	137082636
2017	138232022
2018	138644211
2019	138020752
2020	136410097
2021	133674576
2022	130307040
2023	126534271