| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | 3.72531 |
| 2021 | 15.8241 |
| 2020 | 3.28378 |
| 2019 | 4.8544 |
| 2018 | 9.57164 |
| 2017 | 18.2091 |
| 2016 | 11.2963 |
| 2015 | 15.7234 |
| 2014 | 13.4346 |
| 2013 | 19.9188 |
| 2012 | 11.1876 |
| 2011 | 4.72762 |
| 2010 | 8.22283 |
| 2009 | -6.82099 |
| 2008 | 15.0113 |
| 2007 | 26.9316 |
| 2006 | 11.9885 |
| 2005 | 14.1761 |
| 2004 | 21.9392 |
| 2003 | 22.7248 |
| 2002 | 15.7859 |
| 2001 | 16.4419 |
| 2000 | 16.6142 |
| 1999 | 12.5555 |
| 1998 | 18.3918 |
| 1997 | 9.65442 |
| 1996 | 21.3014 |
| 1995 | 16.2652 |
| 1994 | 31.4666 |
| 1993 | 41.8231 |
| 1992 | 18.7938 |
| 1991 | -6.35773 |
| 1990 | -4.49666 |
| 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 | - |