| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 1.37733 |
| 2021 | 1.37142 |
| 2020 | 1.34699 |
| 2019 | 1.29673 |
| 2018 | 1.24482 |
| 2017 | 1.19166 |
| 2016 | 1.14071 |
| 2015 | 1.09975 |
| 2014 | 1.06903 |
| 2013 | 1.02994 |
| 2012 | 0.981032 |
| 2011 | 0.933903 |
| 2010 | 0.892231 |
| 2009 | 0.856241 |
| 2008 | 0.826158 |
| 2007 | 0.795693 |
| 2006 | 0.762449 |
| 2005 | 0.731553 |
| 2004 | 0.697625 |
| 2003 | 0.65735 |
| 2002 | 0.611519 |
| 2001 | 0.569287 |
| 2000 | 0.536534 |
| 1999 | 0.507381 |
| 1998 | 0.484636 |
| 1997 | 0.468046 |
| 1996 | 0.452151 |
| 1995 | 0.440448 |
| 1994 | 0.434224 |
| 1993 | 0.426755 |
| 1992 | 0.421248 |
| 1991 | 0.421622 |
| 1990 | 0.427235 |
| 1989 | 0.431946 |
| 1988 | 0.429951 |
| 1987 | 0.426619 |
| 1986 | 0.423362 |
| 1985 | 0.420864 |
| 1984 | 0.419238 |
| 1983 | 0.41824 |
| 1982 | 0.4178 |
| 1981 | 0.421576 |
| 1980 | 0.425983 |
| 1979 | 0.425975 |
| 1978 | 0.426344 |
| 1977 | 0.427444 |
| 1976 | 0.42843 |
| 1975 | 0.43027 |
| 1974 | 0.432947 |
| 1973 | 0.436803 |
| 1972 | 0.442894 |
| 1971 | 0.44985 |
| 1970 | 0.456075 |
| 1969 | 0.461505 |
| 1968 | 0.46538 |
| 1967 | 0.467757 |
| 1966 | 0.469853 |
| 1965 | 0.473249 |
| 1964 | 0.478 |
| 1963 | 0.483409 |
| 1962 | 0.490101 |
| 1961 | 0.497261 |
| 1960 | 0.503818 |