| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 0.68973 |
| 2021 | 0.698917 |
| 2020 | 0.712866 |
| 2019 | 0.732009 |
| 2018 | 0.76349 |
| 2017 | 0.807152 |
| 2016 | 0.863738 |
| 2015 | 0.938286 |
| 2014 | 0.957452 |
| 2013 | 0.9103 |
| 2012 | 0.864146 |
| 2011 | 0.820837 |
| 2010 | 0.783544 |
| 2009 | 0.755976 |
| 2008 | 0.741718 |
| 2007 | 0.740149 |
| 2006 | 0.751918 |
| 2005 | 0.774195 |
| 2004 | 0.768817 |
| 2003 | 0.730988 |
| 2002 | 0.689098 |
| 2001 | 0.643161 |
| 2000 | 0.596443 |
| 1999 | 0.552074 |
| 1998 | 0.510166 |
| 1997 | 0.470504 |
| 1996 | 0.448454 |
| 1995 | 0.443166 |
| 1994 | 0.438081 |
| 1993 | 0.43271 |
| 1992 | 0.427001 |
| 1991 | 0.421482 |
| 1990 | 0.416335 |
| 1989 | 0.411172 |
| 1988 | 0.406103 |
| 1987 | 0.401317 |
| 1986 | 0.395728 |
| 1985 | 0.388785 |
| 1984 | 0.380667 |
| 1983 | 0.371572 |
| 1982 | 0.361657 |
| 1981 | 0.351507 |
| 1980 | 0.342198 |
| 1979 | 0.33422 |
| 1978 | 0.327715 |
| 1977 | 0.322449 |
| 1976 | 0.317678 |
| 1975 | 0.312097 |
| 1974 | 0.305356 |
| 1973 | 0.297359 |
| 1972 | 0.287979 |
| 1971 | 0.277905 |
| 1970 | 0.267726 |
| 1969 | 0.257433 |
| 1968 | 0.246559 |
| 1967 | 0.23538 |
| 1966 | 0.224167 |
| 1965 | 0.213027 |
| 1964 | 0.202085 |
| 1963 | 0.191789 |
| 1962 | 0.181738 |
| 1961 | 0.170239 |
| 1960 | 0.15614 |