Year	Number
1960	106235
1961	106575
1962	107366
1963	108018
1964	108635
1965	109192
1966	109363
1967	109244
1968	109234
1969	109611
1970	110079
1971	111558
1972	113916
1973	115862
1974	117713
1975	119351
1976	120370
1977	121041
1978	121647
1979	122367
1980	123331
1981	124236
1982	124843
1983	125614
1984	126540
1985	127324
1986	128374
1987	129705
1988	130993
1989	132491
1990	134258
1991	135890
1992	137211
1993	138307
1994	139331
1995	140448
1996	141702
1997	143008
1998	144509
1999	146385
2000	148380
2001	150123
2002	151580
2003	153667
2004	156278
2005	158988
2006	161888
2007	164804
2008	168364
2009	172113
2010	175933
2011	181094
2012	186575
2013	191366
2014	196165
2015	201311
2016	206263
2017	211685
2018	216069
2019	220417
2020	224033
2021	227162
2022	231089
2023	235663