| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 81.1153 |
| 2020 | 80.7133 |
| 2019 | 80.2108 |
| 2018 | 79.668 |
| 2017 | 79.092 |
| 2016 | 78.6423 |
| 2015 | 78.2135 |
| 2014 | 77.7344 |
| 2013 | 77.1277 |
| 2012 | 76.4996 |
| 2011 | 75.6922 |
| 2010 | 74.759 |
| 2009 | 73.8372 |
| 2008 | 73.2286 |
| 2007 | 72.3394 |
| 2006 | 71.3693 |
| 2005 | 70.3063 |
| 2004 | 69.3966 |
| 2003 | 68.4337 |
| 2002 | 67.3973 |
| 2001 | 66.287 |
| 2000 | 64.1676 |
| 1999 | 64.2685 |
| 1998 | 63.1692 |
| 1997 | 62.0002 |
| 1996 | 60.9189 |
| 1995 | 59.7808 |
| 1994 | 58.3272 |
| 1993 | 57.5053 |
| 1992 | 56.3975 |
| 1991 | 55.1555 |
| 1990 | 54.1027 |
| 1989 | 52.9548 |
| 1988 | 51.753 |
| 1987 | 50.4879 |
| 1986 | 49.2632 |
| 1985 | 48.0437 |
| 1984 | 47.0042 |
| 1983 | 45.9425 |
| 1982 | 44.8506 |
| 1981 | 43.6872 |
| 1980 | 42.5049 |
| 1979 | 41.3069 |
| 1978 | 40.0948 |
| 1977 | 38.9312 |
| 1976 | 37.6549 |
| 1975 | 36.4268 |
| 1974 | 35.2822 |
| 1973 | 34.164 |
| 1972 | 32.9531 |
| 1971 | 31.9317 |
| 1970 | 30.903 |
| 1969 | 29.8518 |
| 1968 | 28.7162 |
| 1967 | 27.791 |
| 1966 | 26.8744 |
| 1965 | 26.0184 |
| 1964 | 25.2261 |
| 1963 | 24.4728 |
| 1962 | 23.7638 |
| 1961 | 23.115 |
| 1960 | 22.5382 |