| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 12.482 |
| 2020 | 12.65 |
| 2019 | 12.871 |
| 2018 | 13.789 |
| 2017 | 14.912 |
| 2016 | 16.076 |
| 2015 | 17.152 |
| 2014 | 17.743 |
| 2013 | 18.218 |
| 2012 | 18.541 |
| 2011 | 18.994 |
| 2010 | 19.541 |
| 2009 | 20.009 |
| 2008 | 20.651 |
| 2007 | 21.078 |
| 2006 | 21.337 |
| 2005 | 22 |
| 2004 | 22.451 |
| 2003 | 22.386 |
| 2002 | 23.399 |
| 2001 | 24.384 |
| 2000 | 25.58 |
| 1999 | 26.845 |
| 1998 | 28.097 |
| 1997 | 29.235 |
| 1996 | 30.673 |
| 1995 | 31.978 |
| 1994 | 33.207 |
| 1993 | 34.249 |
| 1992 | 35.21 |
| 1991 | 36.161 |
| 1990 | 36.986 |
| 1989 | 37.809 |
| 1988 | 38.504 |
| 1987 | 39.199 |
| 1986 | 39.864 |
| 1985 | 40.374 |
| 1984 | 41.001 |
| 1983 | 41.59 |
| 1982 | 42.166 |
| 1981 | 42.727 |
| 1980 | 43.268 |
| 1979 | 43.777 |
| 1978 | 44.242 |
| 1977 | 44.664 |
| 1976 | 45.047 |
| 1975 | 45.399 |
| 1974 | 45.729 |
| 1973 | 46.187 |
| 1972 | 46.592 |
| 1971 | 46.977 |
| 1970 | 47.373 |
| 1969 | 47.753 |
| 1968 | 48.077 |
| 1967 | 48.347 |
| 1966 | 48.561 |
| 1965 | 48.703 |
| 1964 | 48.757 |
| 1963 | 48.772 |
| 1962 | 48.725 |
| 1961 | 48.682 |
| 1960 | 48.624 |