| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | 7.79 |
| 2021 | 1.95 |
| 2020 | 0.38 |
| 2019 | 7.02 |
| 2018 | 6.9 |
| 2017 | 7.2 |
| 2016 | 6.45 |
| 2015 | 8.79 |
| 2014 | 6.28 |
| 2013 | 5.2 |
| 2012 | 4.89 |
| 2011 | 5.32 |
| 2010 | 8.18623 |
| 2009 | 2.25206 |
| 2008 | 7.66841 |
| 2007 | 9.77961 |
| 2006 | 7.46578 |
| 2005 | 7.25864 |
| 2004 | 7.09427 |
| 2003 | 8.01067 |
| 2002 | 7.62789 |
| 2001 | 4.47155 |
| 2000 | 3.07612 |
| 1999 | 2.59597 |
| 1998 | 4.4651 |
| 1997 | 5.91114 |
| 1996 | 9.09135 |
| 1995 | 7.21461 |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |