| 年份 | 老挝  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 5.38276 | 
| 2020 | 2.81747 | 
| 2019 | 3.10454 | 
| 2018 | 3.87876 | 
| 2017 | 4.97088 | 
| 2016 | 4.35259 | 
| 2015 | 5.52476 | 
| 2014 | 8.12985 | 
| 2013 | 12.5381 | 
| 2012 | 12.1203 | 
| 2011 | 15.2723 | 
| 2010 | 14.8104 | 
| 2009 | 10.5912 | 
| 2008 | 13.0184 | 
| 2007 | 13.2219 | 
| 2006 | 13.282 | 
| 2005 | 6.59796 | 
| 2004 | 6.13768 | 
| 2003 | 6.5789 | 
| 2002 | 4.8109 | 
| 2001 | 4.55667 | 
| 2000 | 4.02461 | 
| 1999 | 5.13413 | 
| 1998 | 8.58586 | 
| 1997 | 7.63947 | 
| 1996 | 8.52449 | 
| 1995 | 9.05515 | 
| 1994 | 6.43787 | 
| 1993 | 6.09964 | 
| 1992 | 7.10089 | 
| 1991 | 6.9922 | 
| 1990 | 6.87528 | 
| 1989 | 7.80236 | 
| 1988 | 9.13317 | 
| 1987 | 5.01007 | 
| 1986 | 2.88322 | 
| 1985 | 1.51884 | 
| 1984 | 1.9183 | 
| 1983 | - | 
| 1982 | - | 
| 1981 | - | 
| 1980 | - | 
| 1979 | - | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | - | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |