| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 0.811704 |
| 2021 | 0.801158 |
| 2020 | 0.792572 |
| 2019 | 0.784555 |
| 2018 | 0.779346 |
| 2017 | 0.776856 |
| 2016 | 0.777172 |
| 2015 | 0.781345 |
| 2014 | 0.785253 |
| 2013 | 0.78621 |
| 2012 | 0.785634 |
| 2011 | 0.781807 |
| 2010 | 0.774122 |
| 2009 | 0.763468 |
| 2008 | 0.750206 |
| 2007 | 0.734843 |
| 2006 | 0.719746 |
| 2005 | 0.708132 |
| 2004 | 0.708245 |
| 2003 | 0.716659 |
| 2002 | 0.722013 |
| 2001 | 0.723171 |
| 2000 | 0.720272 |
| 1999 | 0.712991 |
| 1998 | 0.701408 |
| 1997 | 0.686486 |
| 1996 | 0.677305 |
| 1995 | 0.675526 |
| 1994 | 0.674031 |
| 1993 | 0.672869 |
| 1992 | 0.671563 |
| 1991 | 0.669764 |
| 1990 | 0.66737 |
| 1989 | 0.663961 |
| 1988 | 0.659172 |
| 1987 | 0.653426 |
| 1986 | 0.6478 |
| 1985 | 0.642912 |
| 1984 | 0.638852 |
| 1983 | 0.63599 |
| 1982 | 0.633879 |
| 1981 | 0.630301 |
| 1980 | 0.623674 |
| 1979 | 0.6147 |
| 1978 | 0.60328 |
| 1977 | 0.589788 |
| 1976 | 0.576872 |
| 1975 | 0.565688 |
| 1974 | 0.556081 |
| 1973 | 0.548036 |
| 1972 | 0.540831 |
| 1971 | 0.532828 |
| 1970 | 0.523166 |
| 1969 | 0.51241 |
| 1968 | 0.500429 |
| 1967 | 0.487118 |
| 1966 | 0.473142 |
| 1965 | 0.458496 |
| 1964 | 0.442719 |
| 1963 | 0.425325 |
| 1962 | 0.406989 |
| 1961 | 0.389495 |
| 1960 | 0.374372 |