| 年份 | 越南 |
|---|---|
| 2023 | - |
| 2022 | 7.75415 |
| 2021 | 7.73644 |
| 2020 | 7.73306 |
| 2019 | 7.76645 |
| 2018 | 7.80438 |
| 2017 | 7.85203 |
| 2016 | 7.91404 |
| 2015 | 7.95977 |
| 2014 | 7.97468 |
| 2013 | 7.99124 |
| 2012 | 8.04545 |
| 2011 | 8.1662 |
| 2010 | 8.38707 |
| 2009 | 8.72848 |
| 2008 | 9.18792 |
| 2007 | 9.70707 |
| 2006 | 10.2204 |
| 2005 | 10.6738 |
| 2004 | 11.0236 |
| 2003 | 11.2712 |
| 2002 | 11.4555 |
| 2001 | 11.6185 |
| 2000 | 11.7845 |
| 1999 | 11.9287 |
| 1998 | 12.0489 |
| 1997 | 12.1567 |
| 1996 | 12.225 |
| 1995 | 12.2477 |
| 1994 | 12.2371 |
| 1993 | 12.2121 |
| 1992 | 12.1761 |
| 1991 | 12.1393 |
| 1990 | 12.1226 |
| 1989 | 12.1186 |
| 1988 | 12.1447 |
| 1987 | 12.1867 |
| 1986 | 12.1837 |
| 1985 | 12.1281 |
| 1984 | 12.0374 |
| 1983 | 11.9056 |
| 1982 | 11.7521 |
| 1981 | 11.6632 |
| 1980 | 11.7011 |
| 1979 | 11.9589 |
| 1978 | 12.3277 |
| 1977 | 12.684 |
| 1976 | 12.8946 |
| 1975 | 13.0392 |
| 1974 | 13.2366 |
| 1973 | 13.3413 |
| 1972 | 13.4023 |
| 1971 | 13.5239 |
| 1970 | 13.4975 |
| 1969 | 13.2853 |
| 1968 | 12.996 |
| 1967 | 12.6401 |
| 1966 | 12.2886 |
| 1965 | 12.0104 |
| 1964 | 11.8106 |
| 1963 | 11.4477 |
| 1962 | 10.8505 |
| 1961 | 10.2786 |
| 1960 | 9.74803 |