| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 5.87448 |
| 2021 | 5.75305 |
| 2020 | 5.64845 |
| 2019 | 5.55741 |
| 2018 | 5.4769 |
| 2017 | 5.40399 |
| 2016 | 5.33439 |
| 2015 | 5.26531 |
| 2014 | 5.20353 |
| 2013 | 5.15742 |
| 2012 | 5.11876 |
| 2011 | 5.07904 |
| 2010 | 5.04013 |
| 2009 | 4.99905 |
| 2008 | 4.94901 |
| 2007 | 4.88986 |
| 2006 | 4.82217 |
| 2005 | 4.74425 |
| 2004 | 4.66575 |
| 2003 | 4.59176 |
| 2002 | 4.51628 |
| 2001 | 4.44008 |
| 2000 | 4.3664 |
| 1999 | 4.29486 |
| 1998 | 4.23054 |
| 1997 | 4.1846 |
| 1996 | 4.16858 |
| 1995 | 4.17844 |
| 1994 | 4.1669 |
| 1993 | 4.14464 |
| 1992 | 4.14985 |
| 1991 | 4.16225 |
| 1990 | 4.16519 |
| 1989 | 4.19239 |
| 1988 | 4.22689 |
| 1987 | 4.22154 |
| 1986 | 4.20183 |
| 1985 | 4.18483 |
| 1984 | 4.17809 |
| 1983 | 4.18597 |
| 1982 | 4.2064 |
| 1981 | 4.23285 |
| 1980 | 4.26129 |
| 1979 | 4.29048 |
| 1978 | 4.31672 |
| 1977 | 4.34141 |
| 1976 | 4.3736 |
| 1975 | 4.41749 |
| 1974 | 4.47024 |
| 1973 | 4.53213 |
| 1972 | 4.602 |
| 1971 | 4.66988 |
| 1970 | 4.72938 |
| 1969 | 4.78112 |
| 1968 | 4.82358 |
| 1967 | 4.85724 |
| 1966 | 4.88935 |
| 1965 | 4.92444 |
| 1964 | 4.96077 |
| 1963 | 4.99691 |
| 1962 | 5.03303 |
| 1961 | 5.06734 |
| 1960 | 5.09875 |