Year	Number
1960	104635
1961	105892
1962	105336
1963	104496
1964	103498
1965	102509
1966	101618
1967	100716
1968	99645
1969	98311
1970	96682
1971	94786
1972	92697
1973	90885
1974	89254
1975	87429
1976	85843
1977	84615
1978	83634
1979	82982
1980	82685
1981	82736
1982	83570
1983	85426
1984	87508
1985	89257
1986	90731
1987	91999
1988	93133
1989	94156
1990	95031
1991	95694
1992	96522
1993	98600
1994	101150
1995	102807
1996	103724
1997	104056
1998	103940
1999	103484
2000	102764
2001	102012
2002	101690
2003	101503
2004	100897
2005	99907
2006	98634
2007	97218
2008	95808
2009	94534
2010	93497
2011	92917
2012	92826
2013	92837
2014	92912
2015	93237
2016	93825
2017	94501
2018	95113
2019	95736
2020	96272
2021	96598
2022	96801
2023	96899