| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 29.1987 |
| 2020 | 28.0656 |
| 2019 | 31.4575 |
| 2018 | 29.1897 |
| 2017 | 28.4464 |
| 2016 | 29.617 |
| 2015 | 34.4356 |
| 2014 | 37.452 |
| 2013 | 41.4302 |
| 2012 | 39.6474 |
| 2011 | 42.2049 |
| 2010 | 43.4807 |
| 2009 | 45.8157 |
| 2008 | 50.0032 |
| 2007 | 56.2758 |
| 2006 | 55.8338 |
| 2005 | 39.3023 |
| 2004 | 31.9439 |
| 2003 | 26.2892 |
| 2002 | 24.6141 |
| 2001 | 27.1359 |
| 2000 | 30.3942 |
| 1999 | 32.6549 |
| 1998 | 34.3297 |
| 1997 | 37.3015 |
| 1996 | 37.0068 |
| 1995 | 39.4058 |
| 1994 | 30.876 |
| 1993 | 32.8593 |
| 1992 | 33.3951 |
| 1991 | 33.4597 |
| 1990 | 27.9617 |
| 1989 | 29.2371 |
| 1988 | 29.2704 |
| 1987 | 24.557 |
| 1986 | 18.5662 |
| 1985 | 15.8144 |
| 1984 | 13.6404 |
| 1983 | 12.7441 |
| 1982 | 14.431 |
| 1981 | 16.2434 |
| 1980 | 14.3805 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |