| 年份 | 老挝 |
|---|---|
| 2023 | - |
| 2022 | 49.6023 |
| 2021 | 49.5953 |
| 2020 | 49.5884 |
| 2019 | 49.5815 |
| 2018 | 49.5769 |
| 2017 | 49.5735 |
| 2016 | 49.568 |
| 2015 | 49.5624 |
| 2014 | 49.5719 |
| 2013 | 49.5976 |
| 2012 | 49.6261 |
| 2011 | 49.6549 |
| 2010 | 49.6813 |
| 2009 | 49.7072 |
| 2008 | 49.7343 |
| 2007 | 49.7607 |
| 2006 | 49.787 |
| 2005 | 49.8109 |
| 2004 | 49.8155 |
| 2003 | 49.8072 |
| 2002 | 49.8039 |
| 2001 | 49.8034 |
| 2000 | 49.8071 |
| 1999 | 49.8134 |
| 1998 | 49.8188 |
| 1997 | 49.8236 |
| 1996 | 49.8351 |
| 1995 | 49.8541 |
| 1994 | 49.8749 |
| 1993 | 49.897 |
| 1992 | 49.9205 |
| 1991 | 49.9463 |
| 1990 | 49.9734 |
| 1989 | 50.0011 |
| 1988 | 50.0316 |
| 1987 | 50.0663 |
| 1986 | 50.1045 |
| 1985 | 50.145 |
| 1984 | 50.1872 |
| 1983 | 50.2316 |
| 1982 | 50.2781 |
| 1981 | 50.3238 |
| 1980 | 50.3676 |
| 1979 | 50.4086 |
| 1978 | 50.4436 |
| 1977 | 50.4767 |
| 1976 | 50.5118 |
| 1975 | 50.5498 |
| 1974 | 50.5918 |
| 1973 | 50.6212 |
| 1972 | 50.635 |
| 1971 | 50.6458 |
| 1970 | 50.6531 |
| 1969 | 50.6585 |
| 1968 | 50.6607 |
| 1967 | 50.6606 |
| 1966 | 50.6582 |
| 1965 | 50.6521 |
| 1964 | 50.6435 |
| 1963 | 50.6331 |
| 1962 | 50.6374 |
| 1961 | 50.6476 |
| 1960 | 50.647 |