| 年份 | 越南  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 7.92227 | 
| 2021 | 8.05974 | 
| 2020 | 8.20182 | 
| 2019 | 8.33968 | 
| 2018 | 8.46825 | 
| 2017 | 8.57927 | 
| 2016 | 8.6506 | 
| 2015 | 8.67849 | 
| 2014 | 8.68293 | 
| 2013 | 8.68055 | 
| 2012 | 8.67525 | 
| 2011 | 8.67132 | 
| 2010 | 8.6916 | 
| 2009 | 8.74687 | 
| 2008 | 8.80575 | 
| 2007 | 8.87027 | 
| 2006 | 8.94559 | 
| 2005 | 8.99882 | 
| 2004 | 9.01619 | 
| 2003 | 9.03438 | 
| 2002 | 9.09793 | 
| 2001 | 9.24458 | 
| 2000 | 9.51731 | 
| 1999 | 9.94545 | 
| 1998 | 10.5176 | 
| 1997 | 11.1645 | 
| 1996 | 11.8216 | 
| 1995 | 12.4301 | 
| 1994 | 12.9362 | 
| 1993 | 13.3398 | 
| 1992 | 13.6791 | 
| 1991 | 13.9925 | 
| 1990 | 14.301 | 
| 1989 | 14.6113 | 
| 1988 | 14.9081 | 
| 1987 | 15.1674 | 
| 1986 | 15.3756 | 
| 1985 | 15.5209 | 
| 1984 | 15.6173 | 
| 1983 | 15.6862 | 
| 1982 | 15.731 | 
| 1981 | 15.7683 | 
| 1980 | 15.8307 | 
| 1979 | 15.8024 | 
| 1978 | 15.82 | 
| 1977 | 15.9835 | 
| 1976 | 16.0884 | 
| 1975 | 16.117 | 
| 1974 | 16.0946 | 
| 1973 | 16.0096 | 
| 1972 | 15.8792 | 
| 1971 | 15.8177 | 
| 1970 | 15.9067 | 
| 1969 | 16.1389 | 
| 1968 | 16.4811 | 
| 1967 | 16.8932 | 
| 1966 | 17.1172 | 
| 1965 | 17.2878 | 
| 1964 | 17.5874 | 
| 1963 | 17.8094 | 
| 1962 | 17.9944 | 
| 1961 | 18.2393 | 
| 1960 | 18.3051 |