| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 30.6422 |
| 2021 | 31.0167 |
| 2020 | 31.3743 |
| 2019 | 31.7121 |
| 2018 | 32.0382 |
| 2017 | 32.3676 |
| 2016 | 32.7269 |
| 2015 | 33.1293 |
| 2014 | 33.6321 |
| 2013 | 34.2108 |
| 2012 | 34.7773 |
| 2011 | 35.3489 |
| 2010 | 35.9489 |
| 2009 | 36.5868 |
| 2008 | 37.283 |
| 2007 | 38.0462 |
| 2006 | 38.8594 |
| 2005 | 39.6881 |
| 2004 | 40.4385 |
| 2003 | 41.0832 |
| 2002 | 41.66 |
| 2001 | 42.1689 |
| 2000 | 42.6175 |
| 1999 | 43.0155 |
| 1998 | 43.3665 |
| 1997 | 43.6611 |
| 1996 | 43.8451 |
| 1995 | 43.9243 |
| 1994 | 43.9575 |
| 1993 | 43.9528 |
| 1992 | 43.9341 |
| 1991 | 43.9224 |
| 1990 | 43.9254 |
| 1989 | 43.9474 |
| 1988 | 43.9816 |
| 1987 | 44.0189 |
| 1986 | 44.0557 |
| 1985 | 44.0916 |
| 1984 | 44.1213 |
| 1983 | 44.1428 |
| 1982 | 44.157 |
| 1981 | 44.1426 |
| 1980 | 44.07 |
| 1979 | 43.9215 |
| 1978 | 43.6995 |
| 1977 | 43.4294 |
| 1976 | 43.1543 |
| 1975 | 42.9231 |
| 1974 | 42.7636 |
| 1973 | 42.6652 |
| 1972 | 42.5972 |
| 1971 | 42.5439 |
| 1970 | 42.4984 |
| 1969 | 42.4614 |
| 1968 | 42.4418 |
| 1967 | 42.4365 |
| 1966 | 42.4417 |
| 1965 | 42.4613 |
| 1964 | 42.3639 |
| 1963 | 42.1979 |
| 1962 | 42.1194 |
| 1961 | 42.0553 |
| 1960 | 41.9678 |