| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | 6.7766 |
| 2021 | 6.86476 |
| 2020 | 6.92302 |
| 2019 | 6.95033 |
| 2018 | 6.9731 |
| 2017 | 7.02669 |
| 2016 | 7.14052 |
| 2015 | 7.34701 |
| 2014 | 7.66131 |
| 2013 | 8.06457 |
| 2012 | 8.49879 |
| 2011 | 8.91481 |
| 2010 | 9.26388 |
| 2009 | 9.51063 |
| 2008 | 9.67993 |
| 2007 | 9.80593 |
| 2006 | 9.90758 |
| 2005 | 10.01 |
| 2004 | 10.1254 |
| 2003 | 10.2492 |
| 2002 | 10.3676 |
| 2001 | 10.4611 |
| 2000 | 10.5123 |
| 1999 | 10.4938 |
| 1998 | 10.4171 |
| 1997 | 10.3224 |
| 1996 | 10.2293 |
| 1995 | 10.1635 |
| 1994 | 10.123 |
| 1993 | 10.1164 |
| 1992 | 10.123 |
| 1991 | 10.0917 |
| 1990 | 10.0186 |
| 1989 | 9.92029 |
| 1988 | 9.79756 |
| 1987 | 9.66662 |
| 1986 | 9.59509 |
| 1985 | 9.63267 |
| 1984 | 9.77605 |
| 1983 | 10.0019 |
| 1982 | 10.2877 |
| 1981 | 10.4602 |
| 1980 | 10.5888 |
| 1979 | 10.8213 |
| 1978 | 10.9835 |
| 1977 | 11.0677 |
| 1976 | 11.1976 |
| 1975 | 11.203 |
| 1974 | 11.0625 |
| 1973 | 10.8658 |
| 1972 | 10.6089 |
| 1971 | 10.3315 |
| 1970 | 10.0979 |
| 1969 | 9.90982 |
| 1968 | 9.5871 |
| 1967 | 9.09324 |
| 1966 | 8.6524 |
| 1965 | 8.2478 |
| 1964 | 7.71216 |
| 1963 | 7.35838 |
| 1962 | 7.25722 |
| 1961 | 7.21796 |
| 1960 | 7.23373 |