| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 2.70743 |
| 2021 | 2.52835 |
| 2020 | 0.503032 |
| 2019 | 5.45774 |
| 2018 | 6.24796 |
| 2017 | 6.89253 |
| 2016 | 7.02284 |
| 2015 | 7.27007 |
| 2014 | 7.61196 |
| 2013 | 8.0263 |
| 2012 | 8.0261 |
| 2011 | 8.03865 |
| 2010 | 8.52691 |
| 2009 | 7.50177 |
| 2008 | 7.8249 |
| 2007 | 7.59683 |
| 2006 | 8.61927 |
| 2005 | 7.10757 |
| 2004 | 6.3577 |
| 2003 | 6.067 |
| 2002 | 5.91874 |
| 2001 | 5.75141 |
| 2000 | 5.79878 |
| 1999 | 7.30638 |
| 1998 | 3.96761 |
| 1997 | 6.87209 |
| 1996 | 6.92832 |
| 1995 | 7.03125 |
| 1994 | 8.15902 |
| 1993 | 5.91256 |
| 1992 | 5.55986 |
| 1991 | 4.29656 |
| 1990 | 6.70458 |
| 1989 | 14.1906 |
| 1988 | -2.0102 |
| 1987 | -1.42579 |
| 1986 | 4.88513 |
| 1985 | 5.06996 |
| 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 | - |