| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 12.4585 |
| 2020 | 12.5843 |
| 2019 | 13.7659 |
| 2018 | 14.5235 |
| 2017 | 15.4384 |
| 2016 | 17.1158 |
| 2015 | 18.1812 |
| 2014 | 18.6114 |
| 2013 | 19.0966 |
| 2012 | 17.5077 |
| 2011 | 17.674 |
| 2010 | 16.873 |
| 2009 | 16.4126 |
| 2008 | 13.2459 |
| 2007 | 11.4247 |
| 2006 | 8.90923 |
| 2005 | 7.70166 |
| 2004 | 5.6586 |
| 2003 | 4.86331 |
| 2002 | 4.10285 |
| 2001 | 3.06813 |
| 2000 | 2.65778 |
| 1999 | 2.31708 |
| 1998 | 2.00959 |
| 1997 | 2.52182 |
| 1996 | 2.36832 |
| 1995 | 1.63112 |
| 1994 | 1.30394 |
| 1993 | 1.31325 |
| 1992 | - |
| 1991 | - |
| 1990 | 1.10994 |
| 1989 | - |
| 1988 | 1.32417 |
| 1987 | - |
| 1986 | 1.42456 |
| 1985 | 1.41264 |
| 1984 | 1.35044 |
| 1983 | 1.14217 |
| 1982 | 0.86992 |
| 1981 | 0.43593 |
| 1980 | 0.36761 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | 0.30161 |
| 1974 | 0.32447 |
| 1973 | 0.15037 |
| 1972 | 0.18227 |
| 1971 | 0.17505 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |