| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 10.1216 |
| 2021 | 10.0443 |
| 2020 | 9.85563 |
| 2019 | 9.57037 |
| 2018 | 9.23583 |
| 2017 | 8.90401 |
| 2016 | 8.5624 |
| 2015 | 8.23224 |
| 2014 | 7.90074 |
| 2013 | 7.5591 |
| 2012 | 7.26823 |
| 2011 | 7.04931 |
| 2010 | 6.90544 |
| 2009 | 6.82333 |
| 2008 | 6.77133 |
| 2007 | 6.72314 |
| 2006 | 6.6555 |
| 2005 | 6.56303 |
| 2004 | 6.45948 |
| 2003 | 6.36145 |
| 2002 | 6.29393 |
| 2001 | 6.23748 |
| 2000 | 6.17936 |
| 1999 | 6.13997 |
| 1998 | 6.10059 |
| 1997 | 6.04484 |
| 1996 | 5.97865 |
| 1995 | 5.90377 |
| 1994 | 5.81718 |
| 1993 | 5.76416 |
| 1992 | 5.72093 |
| 1991 | 5.64507 |
| 1990 | 5.54114 |
| 1989 | 5.45447 |
| 1988 | 5.36412 |
| 1987 | 5.22036 |
| 1986 | 5.07362 |
| 1985 | 4.91782 |
| 1984 | 4.75096 |
| 1983 | 4.64578 |
| 1982 | 4.61817 |
| 1981 | 4.56843 |
| 1980 | 4.55114 |
| 1979 | 4.621 |
| 1978 | 4.72983 |
| 1977 | 4.86381 |
| 1976 | 5.00564 |
| 1975 | 5.1341 |
| 1974 | 5.24107 |
| 1973 | 5.32762 |
| 1972 | 5.39336 |
| 1971 | 5.45116 |
| 1970 | 5.50788 |
| 1969 | 5.55663 |
| 1968 | 5.58431 |
| 1967 | 5.59916 |
| 1966 | 5.62394 |
| 1965 | 5.67167 |
| 1964 | 5.74402 |
| 1963 | 5.85005 |
| 1962 | 5.97212 |
| 1961 | 6.05206 |
| 1960 | 6.0525 |