| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | 43.686 |
| 2021 | 43.008 |
| 2020 | 42.316 |
| 2019 | 41.612 |
| 2018 | 40.895 |
| 2017 | 40.167 |
| 2016 | 39.428 |
| 2015 | 38.678 |
| 2014 | 37.918 |
| 2013 | 37.149 |
| 2012 | 36.371 |
| 2011 | 35.585 |
| 2010 | 34.793 |
| 2009 | 34.01 |
| 2008 | 33.236 |
| 2007 | 32.469 |
| 2006 | 31.712 |
| 2005 | 30.965 |
| 2004 | 29.835 |
| 2003 | 28.688 |
| 2002 | 27.57 |
| 2001 | 26.48 |
| 2000 | 25.418 |
| 1999 | 24.383 |
| 1998 | 23.377 |
| 1997 | 22.401 |
| 1996 | 21.456 |
| 1995 | 20.537 |
| 1994 | 19.649 |
| 1993 | 18.791 |
| 1992 | 17.962 |
| 1991 | 17.161 |
| 1990 | 16.388 |
| 1989 | 15.645 |
| 1988 | 14.929 |
| 1987 | 14.24 |
| 1986 | 13.577 |
| 1985 | 12.941 |
| 1984 | 12.332 |
| 1983 | 11.745 |
| 1982 | 11.184 |
| 1981 | 10.646 |
| 1980 | 10.132 |
| 1979 | 9.639 |
| 1978 | 9.168 |
| 1977 | 8.717 |
| 1976 | 8.288 |
| 1975 | 7.876 |
| 1974 | 7.484 |
| 1973 | 7.11 |
| 1972 | 6.754 |
| 1971 | 6.413 |
| 1970 | 6.089 |
| 1969 | 5.781 |
| 1968 | 5.487 |
| 1967 | 5.207 |
| 1966 | 4.94 |
| 1965 | 4.687 |
| 1964 | 4.446 |
| 1963 | 4.217 |
| 1962 | 3.999 |
| 1961 | 3.792 |
| 1960 | 3.596 |