| 年份 | 不丹  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 4.42137 | 
| 2020 | -10.2184 | 
| 2019 | 5.75515 | 
| 2018 | 3.50187 | 
| 2017 | 4.65183 | 
| 2016 | 8.12703 | 
| 2015 | 6.64223 | 
| 2014 | 5.7765 | 
| 2013 | 2.11997 | 
| 2012 | 5.1184 | 
| 2011 | 7.98262 | 
| 2010 | 11.9459 | 
| 2009 | 6.74833 | 
| 2008 | 4.79946 | 
| 2007 | 18.3609 | 
| 2006 | 6.99974 | 
| 2005 | 7.28725 | 
| 2004 | 6.00874 | 
| 2003 | 7.8233 | 
| 2002 | 10.9923 | 
| 2001 | 8.34895 | 
| 2000 | 3.35507 | 
| 1999 | 7.98397 | 
| 1998 | 5.91403 | 
| 1997 | 5.37384 | 
| 1996 | 5.56517 | 
| 1995 | 7.07412 | 
| 1994 | 4.9515 | 
| 1993 | 1.98637 | 
| 1992 | 4.60089 | 
| 1991 | -0.407876 | 
| 1990 | 10.3831 | 
| 1989 | 7.35557 | 
| 1988 | 4.76737 | 
| 1987 | 29.0543 | 
| 1986 | 11.3922 | 
| 1985 | 4.02853 | 
| 1984 | 4.55666 | 
| 1983 | 10.431 | 
| 1982 | 3.43977 | 
| 1981 | 15.1223 | 
| 1980 | - | 
| 1979 | - | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | - | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |