| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 3.95351 |
| 2021 | 3.89283 |
| 2020 | 3.8248 |
| 2019 | 3.73907 |
| 2018 | 3.64459 |
| 2017 | 3.55625 |
| 2016 | 3.47416 |
| 2015 | 3.40768 |
| 2014 | 3.35521 |
| 2013 | 3.25424 |
| 2012 | 3.0984 |
| 2011 | 2.93142 |
| 2010 | 2.7575 |
| 2009 | 2.57733 |
| 2008 | 2.43548 |
| 2007 | 2.34386 |
| 2006 | 2.2672 |
| 2005 | 2.20776 |
| 2004 | 2.16814 |
| 2003 | 2.1491 |
| 2002 | 2.13589 |
| 2001 | 2.12624 |
| 2000 | 2.12112 |
| 1999 | 2.11102 |
| 1998 | 2.09452 |
| 1997 | 2.0716 |
| 1996 | 2.04528 |
| 1995 | 2.02065 |
| 1994 | 1.99784 |
| 1993 | 1.96376 |
| 1992 | 1.93151 |
| 1991 | 1.91859 |
| 1990 | 1.92839 |
| 1989 | 1.94976 |
| 1988 | 1.97593 |
| 1987 | 2.01035 |
| 1986 | 2.03404 |
| 1985 | 2.0351 |
| 1984 | 2.01354 |
| 1983 | 1.96611 |
| 1982 | 1.89782 |
| 1981 | 1.84481 |
| 1980 | 1.81436 |
| 1979 | 1.79484 |
| 1978 | 1.7984 |
| 1977 | 1.82407 |
| 1976 | 1.85287 |
| 1975 | 1.87676 |
| 1974 | 1.90172 |
| 1973 | 1.92864 |
| 1972 | 1.95511 |
| 1971 | 1.98285 |
| 1970 | 2.01393 |
| 1969 | 2.04675 |
| 1968 | 2.08008 |
| 1967 | 2.11134 |
| 1966 | 2.13351 |
| 1965 | 2.14273 |
| 1964 | 2.13808 |
| 1963 | 2.11629 |
| 1962 | 2.08383 |
| 1961 | 2.05815 |
| 1960 | 2.05157 |