| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 22.6722 |
| 2020 | 22.3154 |
| 2019 | 19.1177 |
| 2018 | 18.4949 |
| 2017 | 18.1851 |
| 2016 | 17.275 |
| 2015 | 18.2562 |
| 2014 | 17.3505 |
| 2013 | 17.7572 |
| 2012 | 19.6363 |
| 2011 | 20.5549 |
| 2010 | 20.4679 |
| 2009 | 21.901 |
| 2008 | 19.4184 |
| 2007 | 19.5719 |
| 2006 | 21.8051 |
| 2005 | 22.5111 |
| 2004 | 21.4979 |
| 2003 | 21.0388 |
| 2002 | 21.2905 |
| 2001 | 22.2319 |
| 2000 | 22.7044 |
| 1999 | 19.0385 |
| 1998 | 20.266 |
| 1997 | 22.7816 |
| 1996 | 21.6999 |
| 1995 | 18.8221 |
| 1994 | 15.5458 |
| 1993 | 17.1028 |
| 1992 | 15.0199 |
| 1991 | 14.1833 |
| 1990 | 16.9549 |
| 1989 | 20.4586 |
| 1988 | 13.1529 |
| 1987 | 14.6273 |
| 1986 | 19.5681 |
| 1985 | 25.0339 |
| 1984 | 24.8466 |
| 1983 | 21.5928 |
| 1982 | 20.8726 |
| 1981 | 20.2677 |
| 1980 | 24.1238 |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |