Year	Number
1960	101529
1961	101538
1962	101503
1963	101486
1964	101565
1965	101801
1966	102214
1967	102795
1968	103554
1969	104503
1970	105646
1971	106993
1972	108533
1973	110257
1974	112173
1975	114256
1976	116521
1977	118983
1978	121516
1979	123950
1980	126251
1981	128402
1982	130411
1983	132365
1984	134385
1985	136589
1986	138949
1987	141452
1988	144199
1989	147304
1990	150785
1991	154683
1992	158997
1993	168095
1994	181315
1995	193469
1996	204540
1997	214641
1998	223866
1999	232238
2000	239881
2001	243933
2002	244896
2003	246255
2004	248008
2005	250242
2006	253001
2007	256287
2008	260204
2009	264869
2010	270226
2011	276159
2012	282395
2013	288371
2014	293980
2015	299787
2016	306080
2017	312757
2018	319817
2019	327369
2020	332880
2021	335109
2022	337411
2023	344899