Year	Number
1960	171879
1961	175136
1962	178900
1963	183379
1964	188818
1965	195149
1966	202329
1967	210407
1968	218954
1969	227387
1970	235637
1971	245814
1972	257908
1973	270231
1974	283156
1975	296723
1976	310824
1977	325315
1978	339921
1979	354351
1980	368365
1981	378018
1982	383793
1983	390148
1984	397110
1985	404306
1986	411365
1987	418100
1988	424541
1989	430934
1990	437292
1991	443187
1992	448374
1993	453006
1994	459424
1995	468035
1996	477001
1997	486384
1998	496312
1999	506818
2000	518342
2001	531928
2002	547211
2003	561740
2004	575418
2005	590100
2006	605210
2007	621198
2008	638387
2009	655259
2010	671878
2011	689070
2012	705506
2013	720322
2014	733736
2015	746077
2016	757319
2017	768139
2018	779854
2019	791302
2020	800292
2021	797067
2022	795907
2023	807707