| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 21.973 |
| 2020 | 22.449 |
| 2019 | 22.786 |
| 2018 | 23.238 |
| 2017 | 23.715 |
| 2016 | 24.131 |
| 2015 | 24.445 |
| 2014 | 24.698 |
| 2013 | 25.245 |
| 2012 | 25.811 |
| 2011 | 26.467 |
| 2010 | 27.042 |
| 2009 | 27.768 |
| 2008 | 28.313 |
| 2007 | 28.848 |
| 2006 | 29.141 |
| 2005 | 29.254 |
| 2004 | 29.873 |
| 2003 | 30.24 |
| 2002 | 30.872 |
| 2001 | 31.902 |
| 2000 | 32.991 |
| 1999 | 34.482 |
| 1998 | 35.019 |
| 1997 | 36.08 |
| 1996 | 37.18 |
| 1995 | 38.349 |
| 1994 | 39.612 |
| 1993 | 40.849 |
| 1992 | 41.515 |
| 1991 | 42.138 |
| 1990 | 42.494 |
| 1989 | 42.78 |
| 1988 | 43.006 |
| 1987 | 43.254 |
| 1986 | 43.45 |
| 1985 | 43.565 |
| 1984 | 43.604 |
| 1983 | 43.49 |
| 1982 | 43.399 |
| 1981 | 43.309 |
| 1980 | 43.327 |
| 1979 | 43.458 |
| 1978 | 43.677 |
| 1977 | 43.992 |
| 1976 | 44.271 |
| 1975 | 44.46 |
| 1974 | 44.563 |
| 1973 | 44.509 |
| 1972 | 44.496 |
| 1971 | 44.544 |
| 1970 | 44.621 |
| 1969 | 44.538 |
| 1968 | 44.513 |
| 1967 | 44.579 |
| 1966 | 44.605 |
| 1965 | 44.71 |
| 1964 | 44.752 |
| 1963 | 44.888 |
| 1962 | 44.995 |
| 1961 | 45.16 |
| 1960 | 45.247 |