Year	Number
1960	213844
1961	216514
1962	215480
1963	213829
1964	211857
1965	209933
1966	208252
1967	206581
1968	204567
1969	201985
1970	198745
1971	194869
1972	190445
1973	186674
1974	183450
1975	179815
1976	176690
1977	174236
1978	172148
1979	170677
1980	169951
1981	170007
1982	171862
1983	176024
1984	180627
1985	184376
1986	187400
1987	189891
1988	192065
1989	194025
1990	195727
1991	197038
1992	198780
1993	203282
1994	208764
1995	212205
1996	213965
1997	214432
1998	213950
1999	212770
2000	211051
2001	209420
2002	209210
2003	209472
2004	208505
2005	206427
2006	203527
2007	200228
2008	196943
2009	193988
2010	191592
2011	190296
2012	190167
2013	190287
2014	190555
2015	191349
2016	192677
2017	194173
2018	195524
2019	196892
2020	198080
2021	198843
2022	199351
2023	199642