| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | - |
| 2016 | 24.5854 |
| 2015 | 27.0516 |
| 2014 | 29.3794 |
| 2013 | 25.6612 |
| 2012 | 26.8842 |
| 2011 | 29.8968 |
| 2010 | 29.0368 |
| 2009 | 28.9969 |
| 2008 | 29.4876 |
| 2007 | 29.6649 |
| 2006 | 29.3758 |
| 2005 | 28.4293 |
| 2004 | - |
| 2003 | 21.4841 |
| 2002 | 21.8341 |
| 2001 | 23.2651 |
| 2000 | 24.1574 |
| 1999 | 28.895 |
| 1998 | - |
| 1997 | 21.6521 |
| 1996 | 13.0945 |
| 1995 | 9.36392 |
| 1994 | 7.41038 |
| 1993 | 6.51429 |
| 1992 | 4.92627 |
| 1991 | - |
| 1990 | 6.95184 |
| 1989 | 6.53521 |
| 1988 | - |
| 1987 | - |
| 1986 | 6.50903 |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | 6.65242 |
| 1980 | 8.15074 |
| 1979 | 8.99868 |
| 1978 | 9.1015 |
| 1977 | 9.54912 |
| 1976 | 8.33053 |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |