| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 20.277 |
| 2017 | 19.6464 |
| 2016 | 19.6299 |
| 2015 | 19.2242 |
| 2014 | 19.2138 |
| 2013 | 18.8835 |
| 2012 | 19.3991 |
| 2011 | 19.6315 |
| 2010 | 19.9018 |
| 2009 | 19.5222 |
| 2008 | 19.9267 |
| 2007 | 20.4364 |
| 2006 | 20.6947 |
| 2005 | 21.5557 |
| 2004 | 23.0269 |
| 2003 | 24.6538 |
| 2002 | 26.3291 |
| 2001 | 28.0348 |
| 2000 | 29.5215 |
| 1999 | 30.4349 |
| 1998 | 32.1543 |
| 1997 | 33.4873 |
| 1996 | 34.2265 |
| 1995 | 34.8664 |
| 1994 | 35.1903 |
| 1993 | 35.5758 |
| 1992 | 35.0996 |
| 1991 | 35.1103 |
| 1990 | 34.1883 |
| 1989 | 34.4984 |
| 1988 | 34.9649 |
| 1987 | 35.0046 |
| 1986 | 34.462 |
| 1985 | 35.2941 |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | 38.6442 |
| 1980 | 36.431 |
| 1979 | 34.6155 |
| 1978 | 34.1453 |
| 1977 | 35.5772 |
| 1976 | 36.116 |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |