| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 7.32277 |
| 2021 | 7.18238 |
| 2020 | 7.03524 |
| 2019 | 6.88458 |
| 2018 | 6.72982 |
| 2017 | 6.58064 |
| 2016 | 6.4469 |
| 2015 | 6.3275 |
| 2014 | 6.20417 |
| 2013 | 6.07899 |
| 2012 | 5.96855 |
| 2011 | 5.87213 |
| 2010 | 5.79075 |
| 2009 | 5.72141 |
| 2008 | 5.65893 |
| 2007 | 5.60304 |
| 2006 | 5.55492 |
| 2005 | 5.51821 |
| 2004 | 5.508 |
| 2003 | 5.51008 |
| 2002 | 5.49559 |
| 2001 | 5.46246 |
| 2000 | 5.41172 |
| 1999 | 5.34792 |
| 1998 | 5.27648 |
| 1997 | 5.19975 |
| 1996 | 5.1398 |
| 1995 | 5.10352 |
| 1994 | 5.07625 |
| 1993 | 5.06002 |
| 1992 | 5.05462 |
| 1991 | 5.05553 |
| 1990 | 5.06408 |
| 1989 | 4.99962 |
| 1988 | 4.88679 |
| 1987 | 4.80829 |
| 1986 | 4.72953 |
| 1985 | 4.64156 |
| 1984 | 4.63643 |
| 1983 | 4.68087 |
| 1982 | 4.67803 |
| 1981 | 4.67738 |
| 1980 | 4.69215 |
| 1979 | 4.73208 |
| 1978 | 4.79943 |
| 1977 | 4.88487 |
| 1976 | 4.97104 |
| 1975 | 5.04418 |
| 1974 | 5.10082 |
| 1973 | 5.14242 |
| 1972 | 5.17564 |
| 1971 | 5.21318 |
| 1970 | 5.26247 |
| 1969 | 5.31984 |
| 1968 | 5.38267 |
| 1967 | 5.4507 |
| 1966 | 5.51762 |
| 1965 | 5.57936 |
| 1964 | 5.63635 |
| 1963 | 5.68722 |
| 1962 | 5.72861 |
| 1961 | 5.76667 |
| 1960 | 5.80702 |