| 年份 | 越南  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 13.3108 | 
| 2021 | 12.7408 | 
| 2020 | 12.235 | 
| 2019 | 11.6895 | 
| 2018 | 11.2063 | 
| 2017 | 10.7726 | 
| 2016 | 10.4124 | 
| 2015 | 10.0978 | 
| 2014 | 9.74181 | 
| 2013 | 9.50194 | 
| 2012 | 9.41078 | 
| 2011 | 9.37179 | 
| 2010 | 9.36861 | 
| 2009 | 9.39948 | 
| 2008 | 9.4523 | 
| 2007 | 9.51873 | 
| 2006 | 9.59461 | 
| 2005 | 9.67144 | 
| 2004 | 9.74322 | 
| 2003 | 9.80986 | 
| 2002 | 9.86817 | 
| 2001 | 9.91031 | 
| 2000 | 9.9318 | 
| 1999 | 9.93667 | 
| 1998 | 9.92677 | 
| 1997 | 9.90313 | 
| 1996 | 9.88203 | 
| 1995 | 9.87719 | 
| 1994 | 9.88747 | 
| 1993 | 9.91506 | 
| 1992 | 9.96166 | 
| 1991 | 10.0059 | 
| 1990 | 10.0351 | 
| 1989 | 10.0542 | 
| 1988 | 10.064 | 
| 1987 | 10.0605 | 
| 1986 | 10.0475 | 
| 1985 | 10.0466 | 
| 1984 | 10.0604 | 
| 1983 | 10.085 | 
| 1982 | 10.1088 | 
| 1981 | 10.1248 | 
| 1980 | 10.1374 | 
| 1979 | 10.1048 | 
| 1978 | 10.0664 | 
| 1977 | 10.0701 | 
| 1976 | 10.0518 | 
| 1975 | 10.0546 | 
| 1974 | 10.146 | 
| 1973 | 10.2855 | 
| 1972 | 10.4556 | 
| 1971 | 10.6002 | 
| 1970 | 10.6556 | 
| 1969 | 10.6603 | 
| 1968 | 10.6144 | 
| 1967 | 10.4972 | 
| 1966 | 10.3196 | 
| 1965 | 10.1436 | 
| 1964 | 9.99767 | 
| 1963 | 9.82575 | 
| 1962 | 9.61333 | 
| 1961 | 9.37154 | 
| 1960 | 9.10813 |