Year	Number
1960	193870
1961	193397
1962	193792
1963	194984
1964	197140
1965	200452
1966	204967
1967	210685
1968	217361
1969	224640
1970	232831
1971	241983
1972	251498
1973	261208
1974	271301
1975	281796
1976	292674
1977	303732
1978	315418
1979	328202
1980	341746
1981	355835
1982	370343
1983	385439
1984	401736
1985	419310
1986	438071
1987	458137
1988	479287
1989	500726
1990	522627
1991	545363
1992	568506
1993	591871
1994	614833
1995	637048
1996	658500
1997	679218
1998	699341
1999	719386
2000	735319
2001	747296
2002	760276
2003	773458
2004	785812
2005	797945
2006	811307
2007	830059
2008	851624
2009	874011
2010	897833
2011	923140
2012	960366
2013	1009665
2014	1062732
2015	1117340
2016	1170979
2017	1226029
2018	1288270
2019	1348287
2020	1405115
2021	1469326
2022	1523053
2023	1565749
