| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | 17.9294 |
| 2019 | 25.3168 |
| 2018 | 23.6001 |
| 2017 | 20.6148 |
| 2016 | 18.0449 |
| 2015 | 19.268 |
| 2014 | 16.7948 |
| 2013 | 23.0348 |
| 2012 | 19.5311 |
| 2011 | 14.9261 |
| 2010 | 12.257 |
| 2009 | 10.3854 |
| 2008 | 10.2285 |
| 2007 | 8.85298 |
| 2006 | 12.2875 |
| 2005 | 11.785 |
| 2004 | 7.23226 |
| 2003 | 17.3832 |
| 2002 | 10.4072 |
| 2001 | 6.34217 |
| 2000 | 10.8176 |
| 1999 | 6.82404 |
| 1998 | 10.6377 |
| 1997 | 6.96545 |
| 1996 | 8.65247 |
| 1995 | 9.49949 |
| 1994 | 9.95793 |
| 1993 | 10.4309 |
| 1992 | 11.7954 |
| 1991 | 11.1966 |
| 1990 | 10.743 |
| 1989 | 9.0604 |
| 1988 | 8.81067 |
| 1987 | - |
| 1986 | 9.50802 |
| 1985 | 9.25179 |
| 1984 | 12.4094 |
| 1983 | - |
| 1982 | 10.7918 |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |