Year	Number
1960	218293
1961	219888
1962	220232
1963	220422
1964	220191
1965	219193
1966	218416
1967	217626
1968	216070
1969	214030
1970	212512
1971	211772
1972	211840
1973	212482
1974	212734
1975	214087
1976	216545
1977	218381
1978	220093
1979	222048
1980	223629
1981	223037
1982	222105
1983	222188
1984	221936
1985	221388
1986	221956
1987	221822
1988	219302
1989	215912
1990	211998
1991	207724
1992	202881
1993	197527
1994	192060
1995	186667
1996	181182
1997	175821
1998	170698
1999	166367
2000	162710
2001	159057
2002	155372
2003	151795
2004	148786
2005	146655
2006	145451
2007	145390
2008	145603
2009	147513
2010	149096
2011	150665
2012	152596
2013	154425
2014	156114
2015	157497
2016	158518
2017	159547
2018	161043
2019	162828
2020	164194
2021	164508
2022	164083
2023	163232