| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 5.66352 |
| 2021 | 5.5143 |
| 2020 | 5.33972 |
| 2019 | 5.18096 |
| 2018 | 5.06228 |
| 2017 | 4.9992 |
| 2016 | 4.9624 |
| 2015 | 4.95992 |
| 2014 | 4.99963 |
| 2013 | 5.00606 |
| 2012 | 4.97076 |
| 2011 | 4.91557 |
| 2010 | 4.84306 |
| 2009 | 4.75153 |
| 2008 | 4.64586 |
| 2007 | 4.53882 |
| 2006 | 4.43504 |
| 2005 | 4.33507 |
| 2004 | 4.23798 |
| 2003 | 4.09586 |
| 2002 | 3.89135 |
| 2001 | 3.67998 |
| 2000 | 3.46828 |
| 1999 | 3.2482 |
| 1998 | 3.07967 |
| 1997 | 2.97638 |
| 1996 | 2.89453 |
| 1995 | 2.83831 |
| 1994 | 2.8106 |
| 1993 | 2.81136 |
| 1992 | 2.83405 |
| 1991 | 2.86896 |
| 1990 | 2.90937 |
| 1989 | 2.94968 |
| 1988 | 2.98371 |
| 1987 | 3.01288 |
| 1986 | 3.04113 |
| 1985 | 3.07208 |
| 1984 | 3.10226 |
| 1983 | 3.12405 |
| 1982 | 3.14198 |
| 1981 | 3.17465 |
| 1980 | 3.22558 |
| 1979 | 3.2853 |
| 1978 | 3.36217 |
| 1977 | 3.44364 |
| 1976 | 3.49561 |
| 1975 | 3.49693 |
| 1974 | 3.45025 |
| 1973 | 3.35261 |
| 1972 | 3.21749 |
| 1971 | 3.09502 |
| 1970 | 3.01606 |
| 1969 | 2.9761 |
| 1968 | 2.97659 |
| 1967 | 3.01595 |
| 1966 | 3.06591 |
| 1965 | 3.11146 |
| 1964 | 3.15937 |
| 1963 | 3.21213 |
| 1962 | 3.26575 |
| 1961 | 3.32173 |
| 1960 | 3.38149 |