| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 1.21578 |
| 2017 | 1.40508 |
| 2016 | 1.64549 |
| 2015 | 1.86799 |
| 2014 | 1.91197 |
| 2013 | 3.48963 |
| 2012 | 3.48963 |
| 2011 | 2.75147 |
| 2010 | 2.87638 |
| 2009 | 3.5206 |
| 2008 | 4.12323 |
| 2007 | - |
| 2006 | 6.4054 |
| 2005 | 6.71601 |
| 2004 | - |
| 2003 | - |
| 2002 | 9.00771 |
| 2001 | 9.49725 |
| 2000 | 10.5765 |
| 1999 | 11.5519 |
| 1998 | 12.9864 |
| 1997 | - |
| 1996 | - |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | 11.9248 |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | 12.067 |
| 1980 | - |
| 1979 | - |
| 1978 | 18.4296 |
| 1977 | 13.9122 |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |