Year	Number
1960	73080
1961	77928
1962	85036
1963	92962
1964	101640
1965	111100
1966	120007
1967	129627.99999999999
1968	140036
1969	151247
1970	163372
1971	176470
1972	190638
1973	205900
1974	222408
1975	240239
1976	259527
1977	280304
1978	302776
1979	323820
1980	337106
1981	350898
1982	365275
1983	380240
1984	395841
1985	412036
1986	428918
1987	446491
1988	464809
1989	483826
1990	503649
1991	524284
1992	541575
1993	553242
1994	565177
1995	577370
1996	589843
1997	602550
1998	615549
1999	628829
2000	642413
2001	656253
2002	665557
2003	666784
2004	668016
2005	669246
2006	670480
2007	671716
2008	672957
2009	674196
2010	675440
2011	676685
2012	677935
2013	679183
2014	708578
2015	757922
2016	810702
2017	867158
2018	927545
2019	991000
2020	1056440
2021	1122713
2022	1188736
2023	1252890