| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | 6.605 |
| 2019 | 7.43473 |
| 2018 | 8.79801 |
| 2017 | 6.35078 |
| 2016 | 6.48527 |
| 2015 | 6.50222 |
| 2014 | 6.76008 |
| 2013 | 8.50478 |
| 2012 | 8.41901 |
| 2011 | 6.19634 |
| 2010 | 5.69719 |
| 2009 | 4.42933 |
| 2008 | 4.34246 |
| 2007 | 3.67157 |
| 2006 | 5.39755 |
| 2005 | 4.60292 |
| 2004 | 3.26138 |
| 2003 | 5.8106 |
| 2002 | 4.9117 |
| 2001 | 3.36048 |
| 2000 | 6.0082 |
| 1999 | 3.75405 |
| 1998 | 4.9089 |
| 1997 | 3.63549 |
| 1996 | 5.10847 |
| 1995 | 5.25893 |
| 1994 | 5.66702 |
| 1993 | 5.90421 |
| 1992 | 5.38323 |
| 1991 | 5.29352 |
| 1990 | 4.5942 |
| 1989 | 5.15171 |
| 1988 | 6.50399 |
| 1987 | - |
| 1986 | 7.3417 |
| 1985 | 7.57381 |
| 1984 | 9.07059 |
| 1983 | 7.12433 |
| 1982 | 6.70398 |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |