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Năm	Thứ hạng	Số lượng
1945	#33	418
1946	#34	436
1947	#33	435
1948	#37	379
1949	#29	396
1950	#36	367
1951	#30	373
1952	#36	357
1953	#50	303
1954	#41	337
1955	#44	321
1956	#37	363
1957	#59	287
1958	#44	327
1959	#66	260
1960	#59	270
1961	#63	258
1962	#63	262
1963	#64	260
1964	#69	248
1965	#66	266
1966	#73	243
1967	#70	261
1968	#86	225
1969	#89	213
1970	#93	193
1971	#100	181
1972	#106	161
1973	#105	162
1974	#116	146
1975	#140	116
1976	#126	120
1977	#160	98
1978	#172	88
1979	#140	110
1980	#161	95
1981	#170	89
1982	#179	84
1983	#196	81
1984	#212	71
1985	#220	69
1986	#240	63
1987	#235	64
1988	#306	48
1989	#276	55
1990	#287	55
1991	#281	53
1992	#276	52
1993	#390	32
1994	#352	35
1995	#349	36
1996	#371	32
1997	#424	25
1998	#351	33
1999	#444	22
2000	#424	24
2001	#625	13
2002	#426	23
2003	#389	28
2004	#498	19
2005	#624	13
2006	#466	22
2007	#661	13
2008	#760	11
2009	#707	12
2010	#579	17
2011	#694	12
2012	#788	10
2013	#752	11
2014	#587	16
2015	#738	11
2016	#697	12
2017	#806	9
2018	#502	18
2019	#606	13
2020	#528	15
2021	#627	11
2022	#421	20
2023	#426	22
2024	#590	13
2025	#437	19