| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 7.19869 |
| 2021 | 7.05224 |
| 2020 | 6.89979 |
| 2019 | 6.74658 |
| 2018 | 6.59635 |
| 2017 | 6.45762 |
| 2016 | 6.33732 |
| 2015 | 6.23411 |
| 2014 | 6.14119 |
| 2013 | 6.05539 |
| 2012 | 5.9769 |
| 2011 | 5.90521 |
| 2010 | 5.84107 |
| 2009 | 5.78663 |
| 2008 | 5.73974 |
| 2007 | 5.6915 |
| 2006 | 5.63775 |
| 2005 | 5.58351 |
| 2004 | 5.543 |
| 2003 | 5.51041 |
| 2002 | 5.46746 |
| 2001 | 5.41191 |
| 2000 | 5.34255 |
| 1999 | 5.26277 |
| 1998 | 5.17756 |
| 1997 | 5.08972 |
| 1996 | 5.02427 |
| 1995 | 4.98781 |
| 1994 | 4.96274 |
| 1993 | 4.95125 |
| 1992 | 4.95361 |
| 1991 | 4.96514 |
| 1990 | 4.98663 |
| 1989 | 4.9787 |
| 1988 | 4.9539 |
| 1987 | 4.95936 |
| 1986 | 4.97301 |
| 1985 | 4.97592 |
| 1984 | 5.0087 |
| 1983 | 5.05048 |
| 1982 | 5.04492 |
| 1981 | 5.0239 |
| 1980 | 5.01011 |
| 1979 | 5.01288 |
| 1978 | 5.03593 |
| 1977 | 5.07387 |
| 1976 | 5.11381 |
| 1975 | 5.14651 |
| 1974 | 5.1699 |
| 1973 | 5.18263 |
| 1972 | 5.19174 |
| 1971 | 5.21276 |
| 1970 | 5.2528 |
| 1969 | 5.3083 |
| 1968 | 5.37809 |
| 1967 | 5.45882 |
| 1966 | 5.53724 |
| 1965 | 5.60579 |
| 1964 | 5.66581 |
| 1963 | 5.71572 |
| 1962 | 5.75536 |
| 1961 | 5.79363 |
| 1960 | 5.8361 |