| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 8.79983 |
| 2020 | 8.79983 |
| 2019 | 9.12782 |
| 2018 | 9.45754 |
| 2017 | 9.78726 |
| 2016 | 10.117 |
| 2015 | 10.117 |
| 2014 | 10.117 |
| 2013 | 10.117 |
| 2012 | 9.99675 |
| 2011 | 9.86352 |
| 2010 | 9.61872 |
| 2009 | 9.39341 |
| 2008 | 9.11612 |
| 2007 | 8.93847 |
| 2006 | 8.77383 |
| 2005 | 8.60052 |
| 2004 | 8.43154 |
| 2003 | 8.2799 |
| 2002 | 8.12825 |
| 2001 | 7.9766 |
| 2000 | 7.82496 |
| 1999 | 7.68198 |
| 1998 | 7.64731 |
| 1997 | 7.60832 |
| 1996 | 7.36568 |
| 1995 | 7.36568 |
| 1994 | 7.32236 |
| 1993 | 7.21404 |
| 1992 | 7.20971 |
| 1991 | 7.20104 |
| 1990 | 7.19237 |
| 1989 | 7.15771 |
| 1988 | 7.14905 |
| 1987 | 7.10572 |
| 1986 | 7.09705 |
| 1985 | 7.08406 |
| 1984 | 7.06239 |
| 1983 | 7.01906 |
| 1982 | 7.00607 |
| 1981 | 6.9714 |
| 1980 | 6.95841 |
| 1979 | 6.95407 |
| 1978 | 6.92374 |
| 1977 | 6.88908 |
| 1976 | 6.84575 |
| 1975 | 6.79376 |
| 1974 | 6.73743 |
| 1973 | 6.63778 |
| 1972 | 6.55113 |
| 1971 | 6.42114 |
| 1970 | 6.39948 |
| 1969 | 6.37782 |
| 1968 | 6.36915 |
| 1967 | 6.32582 |
| 1966 | 6.32582 |
| 1965 | 6.2825 |
| 1964 | 6.2825 |
| 1963 | 6.49913 |
| 1962 | 6.71577 |
| 1961 | 6.71577 |
| 1960 | - |