| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | 56.314 |
| 2021 | 56.992 |
| 2020 | 57.684 |
| 2019 | 58.388 |
| 2018 | 59.105 |
| 2017 | 59.833 |
| 2016 | 60.572 |
| 2015 | 61.322 |
| 2014 | 62.082 |
| 2013 | 62.851 |
| 2012 | 63.629 |
| 2011 | 64.415 |
| 2010 | 65.207 |
| 2009 | 65.99 |
| 2008 | 66.764 |
| 2007 | 67.531 |
| 2006 | 68.288 |
| 2005 | 69.035 |
| 2004 | 70.165 |
| 2003 | 71.312 |
| 2002 | 72.43 |
| 2001 | 73.52 |
| 2000 | 74.582 |
| 1999 | 75.617 |
| 1998 | 76.623 |
| 1997 | 77.599 |
| 1996 | 78.544 |
| 1995 | 79.463 |
| 1994 | 80.351 |
| 1993 | 81.209 |
| 1992 | 82.038 |
| 1991 | 82.839 |
| 1990 | 83.612 |
| 1989 | 84.355 |
| 1988 | 85.071 |
| 1987 | 85.76 |
| 1986 | 86.423 |
| 1985 | 87.059 |
| 1984 | 87.668 |
| 1983 | 88.255 |
| 1982 | 88.816 |
| 1981 | 89.354 |
| 1980 | 89.868 |
| 1979 | 90.361 |
| 1978 | 90.832 |
| 1977 | 91.283 |
| 1976 | 91.712 |
| 1975 | 92.124 |
| 1974 | 92.516 |
| 1973 | 92.89 |
| 1972 | 93.246 |
| 1971 | 93.587 |
| 1970 | 93.911 |
| 1969 | 94.219 |
| 1968 | 94.513 |
| 1967 | 94.793 |
| 1966 | 95.06 |
| 1965 | 95.313 |
| 1964 | 95.554 |
| 1963 | 95.783 |
| 1962 | 96.001 |
| 1961 | 96.208 |
| 1960 | 96.404 |