| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 7.54119 |
| 2021 | 5.22195 |
| 2020 | 5.25457 |
| 2019 | 5.14969 |
| 2018 | 5.56673 |
| 2017 | 5.3442 |
| 2016 | 4.30755 |
| 2015 | 4.16362 |
| 2014 | 3.03666 |
| 2013 | 3.59947 |
| 2012 | 5.52937 |
| 2011 | 5.48816 |
| 2010 | 5.30458 |
| 2009 | 9.94592 |
| 2008 | 11.1355 |
| 2007 | 12.1976 |
| 2006 | 13.4665 |
| 2005 | 14.1918 |
| 2004 | 15.1413 |
| 2003 | 15.7794 |
| 2002 | 19.3739 |
| 2001 | 21.5446 |
| 2000 | 21.2287 |
| 1999 | 22.313 |
| 1998 | 22.9432 |
| 1997 | 26.6774 |
| 1996 | 29.1241 |
| 1995 | - |
| 1994 | 30.4975 |
| 1993 | 34.4541 |
| 1992 | 39.5046 |
| 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 | - |