| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 1.49346 |
| 2020 | 1.58688 |
| 2019 | 1.42058 |
| 2018 | 1.60636 |
| 2017 | 2.61009 |
| 2016 | 2.66612 |
| 2015 | 2.7833 |
| 2014 | 4.15344 |
| 2013 | 3.19297 |
| 2012 | 3.42907 |
| 2011 | 4.48555 |
| 2010 | 3.96568 |
| 2009 | 4.06025 |
| 2008 | 4.84161 |
| 2007 | 3.89244 |
| 2006 | 3.26672 |
| 2005 | 3.26596 |
| 2004 | 5.04923 |
| 2003 | 5.68715 |
| 2002 | 4.74233 |
| 2001 | 4.45223 |
| 2000 | 3.98002 |
| 1999 | 5.11482 |
| 1998 | 8.55336 |
| 1997 | 7.63914 |
| 1996 | 8.52381 |
| 1995 | 9.0521 |
| 1994 | 6.43767 |
| 1993 | 6.09947 |
| 1992 | 7.09914 |
| 1991 | 6.99011 |
| 1990 | 6.87345 |
| 1989 | 7.8017 |
| 1988 | 9.1327 |
| 1987 | 5.01006 |
| 1986 | 2.88267 |
| 1985 | 1.45482 |
| 1984 | 1.812 |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |