| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | 2.24275 |
| 2021 | 0.0758564 |
| 2020 | 5.51733 |
| 2019 | 5.61096 |
| 2018 | 4.18298 |
| 2017 | 2.54496 |
| 2016 | 2.80506 |
| 2015 | 0.931475 |
| 2014 | 3.78663 |
| 2013 | 2.75454 |
| 2012 | 3.72373 |
| 2011 | -2.90027 |
| 2010 | -5.626 |
| 2009 | -9.48855 |
| 2008 | -13.6441 |
| 2007 | -13.5696 |
| 2006 | -2.87999 |
| 2005 | -3.31586 |
| 2004 | -13.5544 |
| 2003 | -10.9814 |
| 2002 | -7.2186 |
| 2001 | -1.83207 |
| 2000 | -3.5741 |
| 1999 | -2.85491 |
| 1998 | -7.30464 |
| 1997 | -8.13907 |
| 1996 | -10.9688 |
| 1995 | -9.09556 |
| 1994 | -9.44694 |
| 1993 | -8.7667 |
| 1992 | -4.08569 |
| 1991 | -5.11687 |
| 1990 | -9.23847 |
| 1989 | -10.2057 |
| 1988 | -11.0599 |
| 1987 | -8.79575 |
| 1986 | -9.97362 |
| 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 | - |