| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.563258 |
| 2020 | 0.563258 |
| 2019 | 0.581023 |
| 2018 | 0.599653 |
| 2017 | 0.618284 |
| 2016 | 0.636915 |
| 2015 | 0.655546 |
| 2014 | 0.674177 |
| 2013 | 0.692808 |
| 2012 | 0.711438 |
| 2011 | 0.730069 |
| 2010 | 0.563258 |
| 2009 | 0.467938 |
| 2008 | 0.428943 |
| 2007 | 0.42461 |
| 2006 | 0.389948 |
| 2005 | 0.368284 |
| 2004 | 0.350953 |
| 2003 | 0.350953 |
| 2002 | 0.350953 |
| 2001 | 0.350953 |
| 2000 | 0.350953 |
| 1999 | 0.350953 |
| 1998 | 0.337955 |
| 1997 | 0.329289 |
| 1996 | 0.329289 |
| 1995 | 0.311958 |
| 1994 | 0.294627 |
| 1993 | 0.285962 |
| 1992 | 0.281629 |
| 1991 | 0.272964 |
| 1990 | 0.264298 |
| 1989 | 0.246967 |
| 1988 | 0.238302 |
| 1987 | 0.20364 |
| 1986 | 0.194974 |
| 1985 | 0.186308 |
| 1984 | 0.17331 |
| 1983 | 0.151646 |
| 1982 | 0.138648 |
| 1981 | 0.12565 |
| 1980 | 0.112652 |
| 1979 | 0.108319 |
| 1978 | 0.0996534 |
| 1977 | 0.0866551 |
| 1976 | 0.0866551 |
| 1975 | 0.0779896 |
| 1974 | 0.0649913 |
| 1973 | 0.0519931 |
| 1972 | 0.0519931 |
| 1971 | 0.0519931 |
| 1970 | 0.0519931 |
| 1969 | 0.0519931 |
| 1968 | 0.0519931 |
| 1967 | 0.0433276 |
| 1966 | 0.0433276 |
| 1965 | 0.0433276 |
| 1964 | 0.0433276 |
| 1963 | 0.0433276 |
| 1962 | 0.0433276 |
| 1961 | 0.0433276 |
| 1960 | - |