| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 22.3372 |
| 2017 | 22.3375 |
| 2016 | 22.9556 |
| 2015 | 24.1569 |
| 2014 | 25.1565 |
| 2013 | 25.5977 |
| 2012 | 27.1263 |
| 2011 | 26.8085 |
| 2010 | 28.8321 |
| 2009 | 29.1532 |
| 2008 | 30.4938 |
| 2007 | 30.1245 |
| 2006 | 31.0317 |
| 2005 | 31.4789 |
| 2004 | 31.4255 |
| 2003 | 30.636 |
| 2002 | 29.8776 |
| 2001 | 29.9336 |
| 2000 | 30.1363 |
| 1999 | 30.5603 |
| 1998 | 31.1404 |
| 1997 | 30.4415 |
| 1996 | 30.9774 |
| 1995 | 30.3007 |
| 1994 | 30.0695 |
| 1993 | 29.4365 |
| 1992 | 27.6094 |
| 1991 | 27.4002 |
| 1990 | 28.229 |
| 1989 | - |
| 1988 | 27.4162 |
| 1987 | - |
| 1986 | 24.8822 |
| 1985 | 27.4142 |
| 1984 | 27.3057 |
| 1983 | 29.2252 |
| 1982 | 29.7914 |
| 1981 | 29.753 |
| 1980 | 30.9082 |
| 1979 | 31.3412 |
| 1978 | 29.8446 |
| 1977 | 29.8189 |
| 1976 | 26.7662 |
| 1975 | - |
| 1974 | - |
| 1973 | 37.3388 |
| 1972 | 37.9071 |
| 1971 | 36.0216 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |