| 年份 | 不丹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 29 |
| 2020 | 30 |
| 2019 | 31.1 |
| 2018 | 32.2 |
| 2017 | 33.3 |
| 2016 | 34.6 |
| 2015 | 36 |
| 2014 | 37.6 |
| 2013 | 39.3 |
| 2012 | 41.1 |
| 2011 | 43.2 |
| 2010 | 45.7 |
| 2009 | 48.4 |
| 2008 | 51.4 |
| 2007 | 54.5 |
| 2006 | 57.8 |
| 2005 | 61.3 |
| 2004 | 65 |
| 2003 | 68.7 |
| 2002 | 72.7 |
| 2001 | 76.7 |
| 2000 | 80.9 |
| 1999 | 85.2 |
| 1998 | 89.8 |
| 1997 | 94.5 |
| 1996 | 99.4 |
| 1995 | 104.3 |
| 1994 | 109.4 |
| 1993 | 114.7 |
| 1992 | 120 |
| 1991 | 125.4 |
| 1990 | 131.1 |
| 1989 | 137.1 |
| 1988 | 143.2 |
| 1987 | 149.5 |
| 1986 | 156 |
| 1985 | 162.8 |
| 1984 | 169.7 |
| 1983 | 176.6 |
| 1982 | 184.1 |
| 1981 | 191.7 |
| 1980 | 199.1 |
| 1979 | 206.6 |
| 1978 | 214.6 |
| 1977 | 222.4 |
| 1976 | 230.4 |
| 1975 | 238.2 |
| 1974 | 246.3 |
| 1973 | 254.7 |
| 1972 | 262.9 |
| 1971 | 271.5 |
| 1970 | 280.1 |
| 1969 | 288.9 |
| 1968 | 298.2 |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |