| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 6.8637 |
| 2021 | 6.74214 |
| 2020 | 6.64921 |
| 2019 | 6.56462 |
| 2018 | 6.51044 |
| 2017 | 6.49703 |
| 2016 | 6.52943 |
| 2015 | 6.61847 |
| 2014 | 6.64323 |
| 2013 | 6.57797 |
| 2012 | 6.52481 |
| 2011 | 6.48332 |
| 2010 | 6.45794 |
| 2009 | 6.45241 |
| 2008 | 6.47164 |
| 2007 | 6.5175 |
| 2006 | 6.59151 |
| 2005 | 6.68809 |
| 2004 | 6.7376 |
| 2003 | 6.7251 |
| 2002 | 6.69581 |
| 2001 | 6.64804 |
| 2000 | 6.58902 |
| 1999 | 6.52303 |
| 1998 | 6.44865 |
| 1997 | 6.36397 |
| 1996 | 6.33336 |
| 1995 | 6.36125 |
| 1994 | 6.38492 |
| 1993 | 6.40369 |
| 1992 | 6.41828 |
| 1991 | 6.43269 |
| 1990 | 6.44985 |
| 1989 | 6.46764 |
| 1988 | 6.48313 |
| 1987 | 6.49584 |
| 1986 | 6.50226 |
| 1985 | 6.50093 |
| 1984 | 6.49211 |
| 1983 | 6.47504 |
| 1982 | 6.44865 |
| 1981 | 6.40985 |
| 1980 | 6.35543 |
| 1979 | 6.2866 |
| 1978 | 6.20654 |
| 1977 | 6.11993 |
| 1976 | 6.03748 |
| 1975 | 5.96473 |
| 1974 | 5.90397 |
| 1973 | 5.85457 |
| 1972 | 5.80677 |
| 1971 | 5.75184 |
| 1970 | 5.68762 |
| 1969 | 5.61558 |
| 1968 | 5.53343 |
| 1967 | 5.44321 |
| 1966 | 5.35334 |
| 1965 | 5.26669 |
| 1964 | 5.16976 |
| 1963 | 5.06986 |
| 1962 | 4.98015 |
| 1961 | 4.8885 |
| 1960 | 4.78911 |