| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 8.38653 |
| 2021 | 6.56294 |
| 2020 | 6.83672 |
| 2019 | 7.1074 |
| 2018 | 7.54463 |
| 2017 | 7.12413 |
| 2016 | 6.40769 |
| 2015 | 5.72223 |
| 2014 | 4.85831 |
| 2013 | 5.68033 |
| 2012 | 7.94101 |
| 2011 | 7.96512 |
| 2010 | 8.4824 |
| 2009 | 12.9665 |
| 2008 | 15.0842 |
| 2007 | 16.7442 |
| 2006 | 18.404 |
| 2005 | 18.7366 |
| 2004 | 19.9249 |
| 2003 | 21.5756 |
| 2002 | 25.1667 |
| 2001 | 27.2841 |
| 2000 | 27.5049 |
| 1999 | 28.8843 |
| 1998 | 30.3682 |
| 1997 | 34.0121 |
| 1996 | 36.8044 |
| 1995 | - |
| 1994 | 39.9708 |
| 1993 | 43.503 |
| 1992 | 47.7282 |
| 1991 | - |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |