Year	Number
1960	113335
1961	116820
1962	120163
1963	123416
1964	126582
1965	129789
1966	132976
1967	135752
1968	138154
1969	140457
1970	142771
1971	145064
1972	147332
1973	149587
1974	152240
1975	155263
1976	158136
1977	160362
1978	161988
1979	163489
1980	164905
1981	166190
1982	166885
1983	166944
1984	166779
1985	166517
1986	166365
1987	166773
1988	167452
1989	167886
1990	168186
1991	168701
1992	169799
1993	171362
1994	173107
1995	174902
1996	176713
1997	178543
1998	180385
1999	182211
2000	184008
2001	185530
2002	186630
2003	187440
2004	188073
2005	188626
2006	189379
2007	190478
2008	191787
2009	193176
2010	194672
2011	196351
2012	198124
2013	199939
2014	201757
2015	203571
2016	205544
2017	207630
2018	209701
2019	211905
2020	214929
2021	218764
2022	222382
2023	225681