| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 5.97068 |
| 2021 | 5.83602 |
| 2020 | 5.71524 |
| 2019 | 5.60617 |
| 2018 | 5.5089 |
| 2017 | 5.42213 |
| 2016 | 5.34146 |
| 2015 | 5.26406 |
| 2014 | 5.18286 |
| 2013 | 5.10327 |
| 2012 | 5.03494 |
| 2011 | 4.9761 |
| 2010 | 4.9282 |
| 2009 | 4.89188 |
| 2008 | 4.86071 |
| 2007 | 4.82632 |
| 2006 | 4.78366 |
| 2005 | 4.72984 |
| 2004 | 4.67091 |
| 2003 | 4.6118 |
| 2002 | 4.54788 |
| 2001 | 4.47892 |
| 2000 | 4.40948 |
| 1999 | 4.34027 |
| 1998 | 4.27653 |
| 1997 | 4.22845 |
| 1996 | 4.20515 |
| 1995 | 4.20324 |
| 1994 | 4.1439 |
| 1993 | 4.04818 |
| 1992 | 3.98309 |
| 1991 | 3.91815 |
| 1990 | 3.84508 |
| 1989 | 3.83962 |
| 1988 | 3.87429 |
| 1987 | 3.86863 |
| 1986 | 3.86242 |
| 1985 | 3.86458 |
| 1984 | 3.88266 |
| 1983 | 3.92015 |
| 1982 | 3.97323 |
| 1981 | 4.03313 |
| 1980 | 4.09324 |
| 1979 | 4.15159 |
| 1978 | 4.20443 |
| 1977 | 4.25114 |
| 1976 | 4.29866 |
| 1975 | 4.3504 |
| 1974 | 4.40329 |
| 1973 | 4.4581 |
| 1972 | 4.51656 |
| 1971 | 4.57404 |
| 1970 | 4.62763 |
| 1969 | 4.6771 |
| 1968 | 4.72098 |
| 1967 | 4.75924 |
| 1966 | 4.79534 |
| 1965 | 4.83145 |
| 1964 | 4.86696 |
| 1963 | 4.90124 |
| 1962 | 4.93254 |
| 1961 | 4.96098 |
| 1960 | 4.98758 |