| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.613 |
| 2020 | 6.366 |
| 2019 | 6.505 |
| 2018 | 6.755 |
| 2017 | 6.91 |
| 2016 | 7.135 |
| 2015 | 7.513 |
| 2014 | 7.465 |
| 2013 | 7.584 |
| 2012 | 7.604 |
| 2011 | 7.762 |
| 2010 | 8.008 |
| 2009 | 8.266 |
| 2008 | 8.539 |
| 2007 | 8.785 |
| 2006 | 9.096 |
| 2005 | 9.378 |
| 2004 | 9.598 |
| 2003 | 9.626 |
| 2002 | 9.785 |
| 2001 | 9.956 |
| 2000 | 10.256 |
| 1999 | 10.511 |
| 1998 | 10.599 |
| 1997 | 10.802 |
| 1996 | 11.139 |
| 1995 | 11.543 |
| 1994 | 12.03 |
| 1993 | 12.337 |
| 1992 | 12.701 |
| 1991 | 13.063 |
| 1990 | 13.548 |
| 1989 | 13.874 |
| 1988 | 14.236 |
| 1987 | 14.629 |
| 1986 | 14.943 |
| 1985 | 15.324 |
| 1984 | 15.688 |
| 1983 | 16.05 |
| 1982 | 16.408 |
| 1981 | 16.853 |
| 1980 | 17.307 |
| 1979 | 18.092 |
| 1978 | 18.678 |
| 1977 | 18.89 |
| 1976 | 19.182 |
| 1975 | 19.002 |
| 1974 | 19.255 |
| 1973 | 19.925 |
| 1972 | 20.08 |
| 1971 | 20.272 |
| 1970 | 20.57 |
| 1969 | 20.808 |
| 1968 | 20.962 |
| 1967 | 21.23 |
| 1966 | 21.635 |
| 1965 | 21.65 |
| 1964 | 21.96 |
| 1963 | 22.206 |
| 1962 | 21.753 |
| 1961 | 22.452 |
| 1960 | 22.677 |