| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 11.5474 |
| 2020 | 11.5866 |
| 2019 | 12.8128 |
| 2018 | 13.8406 |
| 2017 | 14.9314 |
| 2016 | 17.0082 |
| 2015 | 18.4717 |
| 2014 | 19.1747 |
| 2013 | 20.1154 |
| 2012 | 18.9303 |
| 2011 | 20.1355 |
| 2010 | 18.9261 |
| 2009 | 18.1317 |
| 2008 | 14.8328 |
| 2007 | 13.2271 |
| 2006 | 10.6314 |
| 2005 | 9.05071 |
| 2004 | 7.01128 |
| 2003 | 6.23154 |
| 2002 | 5.25793 |
| 2001 | 3.86923 |
| 2000 | 3.48254 |
| 1999 | 3.11091 |
| 1998 | 2.78621 |
| 1997 | 3.4671 |
| 1996 | 3.26585 |
| 1995 | 2.29974 |
| 1994 | 1.87587 |
| 1993 | 1.82559 |
| 1992 | - |
| 1991 | - |
| 1990 | 1.48061 |
| 1989 | - |
| 1988 | 1.65363 |
| 1987 | - |
| 1986 | 1.80913 |
| 1985 | 1.82837 |
| 1984 | - |
| 1983 | 1.54928 |
| 1982 | 1.16881 |
| 1981 | 0.59104 |
| 1980 | 0.53906 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | 0.43474 |
| 1974 | 0.51721 |
| 1973 | 0.24144 |
| 1972 | 0.29467 |
| 1971 | 0.28725 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |