| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.8893 |
| 2020 | 1.23059 |
| 2019 | 1.68396 |
| 2018 | 2.2724 |
| 2017 | 2.3608 |
| 2016 | 1.68648 |
| 2015 | 2.74147 |
| 2014 | 3.97641 |
| 2013 | 9.34512 |
| 2012 | 8.4616 |
| 2011 | 10.3236 |
| 2010 | 10.447 |
| 2009 | 6.31546 |
| 2008 | 7.61996 |
| 2007 | 8.89585 |
| 2006 | 9.84563 |
| 2005 | 3.14069 |
| 2004 | 0.79051 |
| 2003 | 0.840145 |
| 2002 | - |
| 2001 | - |
| 2000 | - |
| 1999 | - |
| 1998 | - |
| 1997 | - |
| 1996 | - |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | 0.0635882 |
| 1984 | 0.106109 |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |