| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 0.481345 |
| 2021 | 0.494726 |
| 2020 | 0.515268 |
| 2019 | 0.538212 |
| 2018 | 0.56768 |
| 2017 | 0.606296 |
| 2016 | 0.656159 |
| 2015 | 0.721123 |
| 2014 | 0.738286 |
| 2013 | 0.699623 |
| 2012 | 0.66367 |
| 2011 | 0.631859 |
| 2010 | 0.606563 |
| 2009 | 0.589604 |
| 2008 | 0.582836 |
| 2007 | 0.586862 |
| 2006 | 0.603038 |
| 2005 | 0.625435 |
| 2004 | 0.608762 |
| 2003 | 0.554806 |
| 2002 | 0.50335 |
| 2001 | 0.454217 |
| 2000 | 0.408837 |
| 1999 | 0.368303 |
| 1998 | 0.332553 |
| 1997 | 0.301081 |
| 1996 | 0.285088 |
| 1995 | 0.282812 |
| 1994 | 0.280499 |
| 1993 | 0.27815 |
| 1992 | 0.275745 |
| 1991 | 0.273121 |
| 1990 | 0.270644 |
| 1989 | 0.268014 |
| 1988 | 0.265274 |
| 1987 | 0.262641 |
| 1986 | 0.259326 |
| 1985 | 0.254962 |
| 1984 | 0.249922 |
| 1983 | 0.244114 |
| 1982 | 0.237328 |
| 1981 | 0.230625 |
| 1980 | 0.225157 |
| 1979 | 0.221372 |
| 1978 | 0.219446 |
| 1977 | 0.219028 |
| 1976 | 0.218906 |
| 1975 | 0.218151 |
| 1974 | 0.21638 |
| 1973 | 0.213244 |
| 1972 | 0.209152 |
| 1971 | 0.205113 |
| 1970 | 0.201603 |
| 1969 | 0.198781 |
| 1968 | 0.196476 |
| 1967 | 0.194916 |
| 1966 | 0.194231 |
| 1965 | 0.194301 |
| 1964 | 0.195245 |
| 1963 | 0.197644 |
| 1962 | 0.201478 |
| 1961 | 0.205691 |
| 1960 | 0.209874 |