| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 3.99545 |
| 2021 | 3.92337 |
| 2020 | 3.84033 |
| 2019 | 3.74008 |
| 2018 | 3.63319 |
| 2017 | 3.53312 |
| 2016 | 3.44146 |
| 2015 | 3.3689 |
| 2014 | 3.31366 |
| 2013 | 3.21557 |
| 2012 | 3.07029 |
| 2011 | 2.9183 |
| 2010 | 2.75973 |
| 2009 | 2.59728 |
| 2008 | 2.47028 |
| 2007 | 2.38597 |
| 2006 | 2.31342 |
| 2005 | 2.25801 |
| 2004 | 2.22267 |
| 2003 | 2.20823 |
| 2002 | 2.19977 |
| 2001 | 2.19685 |
| 2000 | 2.20103 |
| 1999 | 2.19972 |
| 1998 | 2.19078 |
| 1997 | 2.17403 |
| 1996 | 2.15235 |
| 1995 | 2.12932 |
| 1994 | 2.10488 |
| 1993 | 2.06368 |
| 1992 | 2.0243 |
| 1991 | 2.01028 |
| 1990 | 2.02496 |
| 1989 | 2.05172 |
| 1988 | 2.07902 |
| 1987 | 2.11507 |
| 1986 | 2.14079 |
| 1985 | 2.14209 |
| 1984 | 2.11932 |
| 1983 | 2.07068 |
| 1982 | 1.99951 |
| 1981 | 1.9379 |
| 1980 | 1.89227 |
| 1979 | 1.85022 |
| 1978 | 1.82007 |
| 1977 | 1.80695 |
| 1976 | 1.80738 |
| 1975 | 1.81992 |
| 1974 | 1.8503 |
| 1973 | 1.90473 |
| 1972 | 1.97513 |
| 1971 | 2.0444 |
| 1970 | 2.10278 |
| 1969 | 2.14952 |
| 1968 | 2.18085 |
| 1967 | 2.19742 |
| 1966 | 2.21001 |
| 1965 | 2.22767 |
| 1964 | 2.24897 |
| 1963 | 2.27055 |
| 1962 | 2.29485 |
| 1961 | 2.31858 |
| 1960 | 2.33933 |