| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 29.0089 |
| 2020 | 28.9847 |
| 2019 | 28.9605 |
| 2018 | 28.9153 |
| 2017 | 28.6194 |
| 2016 | 28.2141 |
| 2015 | 28.2141 |
| 2014 | 28.2141 |
| 2013 | 28.2141 |
| 2012 | 28.3933 |
| 2011 | 28.4834 |
| 2010 | 28.5735 |
| 2009 | 28.6636 |
| 2008 | 28.6629 |
| 2007 | 29.5151 |
| 2006 | 29.3794 |
| 2005 | 29.2437 |
| 2004 | 39.5921 |
| 2003 | 39.4564 |
| 2002 | 39.3207 |
| 2001 | 39.185 |
| 2000 | 38.6085 |
| 1999 | 39.1015 |
| 1998 | 39.7769 |
| 1997 | 39.1906 |
| 1996 | 39.5559 |
| 1995 | 39.4214 |
| 1994 | 39.3901 |
| 1993 | 39.387 |
| 1992 | 39.1629 |
| 1991 | 38.6779 |
| 1990 | 37.7588 |
| 1989 | 37.8816 |
| 1988 | 37.9866 |
| 1987 | 37.4702 |
| 1986 | 37.2676 |
| 1985 | 37.065 |
| 1984 | 36.5554 |
| 1983 | 36.3528 |
| 1982 | 36.1422 |
| 1981 | 35.7818 |
| 1980 | 35.4337 |
| 1979 | 36.7814 |
| 1978 | 36.1422 |
| 1977 | 36.6494 |
| 1976 | 36.8071 |
| 1975 | 37.108 |
| 1974 | 37.4272 |
| 1973 | 37.7471 |
| 1972 | 37.329 |
| 1971 | 36.9324 |
| 1970 | 36.6537 |
| 1969 | 36.6352 |
| 1968 | 36.5923 |
| 1967 | 36.5616 |
| 1966 | 36.5186 |
| 1965 | 36.5124 |
| 1964 | 36.4756 |
| 1963 | 36.4388 |
| 1962 | 36.4019 |
| 1961 | 36.3903 |
| 1960 | - |