| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 37.592 |
| 2021 | 36.939 |
| 2020 | 36.29 |
| 2019 | 35.645 |
| 2018 | 35.004 |
| 2017 | 34.368 |
| 2016 | 33.736 |
| 2015 | 33.108 |
| 2014 | 32.487 |
| 2013 | 31.872 |
| 2012 | 31.264 |
| 2011 | 30.66 |
| 2010 | 30.064 |
| 2009 | 29.475 |
| 2008 | 28.893 |
| 2007 | 28.316 |
| 2006 | 27.748 |
| 2005 | 27.186 |
| 2004 | 26.242 |
| 2003 | 25.126 |
| 2002 | 24.044 |
| 2001 | 22.993 |
| 2000 | 21.977 |
| 1999 | 20.991 |
| 1998 | 20.039 |
| 1997 | 19.12 |
| 1996 | 18.234 |
| 1995 | 17.378 |
| 1994 | 16.854 |
| 1993 | 16.49 |
| 1992 | 16.133 |
| 1991 | 15.782 |
| 1990 | 15.437 |
| 1989 | 15.098 |
| 1988 | 14.766 |
| 1987 | 14.439 |
| 1986 | 14.118 |
| 1985 | 13.804 |
| 1984 | 13.504 |
| 1983 | 13.214 |
| 1982 | 12.93 |
| 1981 | 12.65 |
| 1980 | 12.377 |
| 1979 | 12.107 |
| 1978 | 11.843 |
| 1977 | 11.584 |
| 1976 | 11.331 |
| 1975 | 11.081 |
| 1974 | 10.837 |
| 1973 | 10.597 |
| 1972 | 10.295 |
| 1971 | 9.955 |
| 1970 | 9.625 |
| 1969 | 9.304 |
| 1968 | 8.994 |
| 1967 | 8.692 |
| 1966 | 8.4 |
| 1965 | 8.323 |
| 1964 | 8.246 |
| 1963 | 8.17 |
| 1962 | 8.095 |
| 1961 | 8.02 |
| 1960 | 7.946 |