| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | 0.0327626 |
| 2019 | 0.0561315 |
| 2018 | 0.0550957 |
| 2017 | 0.047007 |
| 2016 | 0.0485423 |
| 2015 | 0.057369 |
| 2014 | - |
| 2013 | - |
| 2012 | - |
| 2011 | - |
| 2010 | - |
| 2009 | 0.128432 |
| 2008 | 0.211474 |
| 2007 | 0.137101 |
| 2006 | 0.10002 |
| 2005 | 0.122376 |
| 2004 | 1.13949 |
| 2003 | 1.50325 |
| 2002 | 0.9978 |
| 2001 | 0.980488 |
| 2000 | 0.0950155 |
| 1999 | 0.103904 |
| 1998 | 0.15557 |
| 1997 | 0.196087 |
| 1996 | 0.136045 |
| 1995 | 0.179553 |
| 1994 | 0.22195 |
| 1993 | 0.380526 |
| 1992 | 0.628035 |
| 1991 | 0.503152 |
| 1990 | 0.374347 |
| 1989 | 0.285856 |
| 1988 | 0.249787 |
| 1987 | - |
| 1986 | 0.340532 |
| 1985 | 0.382904 |
| 1984 | 0.521297 |
| 1983 | - |
| 1982 | 0.643087 |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |