| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 4.88101 |
| 2017 | 4.91441 |
| 2016 | 5.6728 |
| 2015 | 6.68973 |
| 2014 | 7.68162 |
| 2013 | 10.0063 |
| 2012 | 11.7023 |
| 2011 | 13.4827 |
| 2010 | 15.1697 |
| 2009 | 16.9193 |
| 2008 | 17.8776 |
| 2007 | 17.9806 |
| 2006 | 19.3409 |
| 2005 | 20.2989 |
| 2004 | 21.0632 |
| 2003 | 20.9699 |
| 2002 | 21.2283 |
| 2001 | 21.1689 |
| 2000 | 21.2127 |
| 1999 | 22.406 |
| 1998 | 22.9792 |
| 1997 | 24.6996 |
| 1996 | 25.4185 |
| 1995 | - |
| 1994 | 27.3436 |
| 1993 | 28.6227 |
| 1992 | 31.7472 |
| 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 | - |