| 年份 | 老挝  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 3.57357 | 
| 2021 | 3.53513 | 
| 2020 | 3.49266 | 
| 2019 | 3.43735 | 
| 2018 | 3.36542 | 
| 2017 | 3.27959 | 
| 2016 | 3.1829 | 
| 2015 | 3.07743 | 
| 2014 | 2.97321 | 
| 2013 | 2.88222 | 
| 2012 | 2.80262 | 
| 2011 | 2.72856 | 
| 2010 | 2.65897 | 
| 2009 | 2.59497 | 
| 2008 | 2.53725 | 
| 2007 | 2.48365 | 
| 2006 | 2.43394 | 
| 2005 | 2.3911 | 
| 2004 | 2.36777 | 
| 2003 | 2.36504 | 
| 2002 | 2.36655 | 
| 2001 | 2.36588 | 
| 2000 | 2.36283 | 
| 1999 | 2.3584 | 
| 1998 | 2.35725 | 
| 1997 | 2.36283 | 
| 1996 | 2.36995 | 
| 1995 | 2.37646 | 
| 1994 | 2.38555 | 
| 1993 | 2.39552 | 
| 1992 | 2.40693 | 
| 1991 | 2.42509 | 
| 1990 | 2.45305 | 
| 1989 | 2.48904 | 
| 1988 | 2.53246 | 
| 1987 | 2.58124 | 
| 1986 | 2.62885 | 
| 1985 | 2.67108 | 
| 1984 | 2.70775 | 
| 1983 | 2.73779 | 
| 1982 | 2.76103 | 
| 1981 | 2.78099 | 
| 1980 | 2.79926 | 
| 1979 | 2.81465 | 
| 1978 | 2.82692 | 
| 1977 | 2.8379 | 
| 1976 | 2.84866 | 
| 1975 | 2.85976 | 
| 1974 | 2.87229 | 
| 1973 | 2.88627 | 
| 1972 | 2.89885 | 
| 1971 | 2.90721 | 
| 1970 | 2.91034 | 
| 1969 | 2.90805 | 
| 1968 | 2.89897 | 
| 1967 | 2.88536 | 
| 1966 | 2.87327 | 
| 1965 | 2.86602 | 
| 1964 | 2.86333 | 
| 1963 | 2.86637 | 
| 1962 | 2.87239 | 
| 1961 | 2.87197 | 
| 1960 | 2.85949 |