| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 7.62274 |
| 2021 | 7.37506 |
| 2020 | 7.10765 |
| 2019 | 6.80511 |
| 2018 | 6.51868 |
| 2017 | 6.25307 |
| 2016 | 6.00341 |
| 2015 | 5.78713 |
| 2014 | 5.60279 |
| 2013 | 5.43556 |
| 2012 | 5.28618 |
| 2011 | 5.14459 |
| 2010 | 5.01977 |
| 2009 | 4.91422 |
| 2008 | 4.81959 |
| 2007 | 4.72998 |
| 2006 | 4.64526 |
| 2005 | 4.56914 |
| 2004 | 4.49191 |
| 2003 | 4.40742 |
| 2002 | 4.30119 |
| 2001 | 4.19627 |
| 2000 | 4.11133 |
| 1999 | 4.02289 |
| 1998 | 3.93376 |
| 1997 | 3.84491 |
| 1996 | 3.75311 |
| 1995 | 3.66447 |
| 1994 | 3.58247 |
| 1993 | 3.48974 |
| 1992 | 3.40793 |
| 1991 | 3.35506 |
| 1990 | 3.32511 |
| 1989 | 3.29058 |
| 1988 | 3.23107 |
| 1987 | 3.17357 |
| 1986 | 3.12881 |
| 1985 | 3.10449 |
| 1984 | 3.10036 |
| 1983 | 3.11712 |
| 1982 | 3.1524 |
| 1981 | 3.21445 |
| 1980 | 3.27979 |
| 1979 | 3.32519 |
| 1978 | 3.37513 |
| 1977 | 3.42436 |
| 1976 | 3.46491 |
| 1975 | 3.50003 |
| 1974 | 3.53115 |
| 1973 | 3.55572 |
| 1972 | 3.57725 |
| 1971 | 3.59969 |
| 1970 | 3.62675 |
| 1969 | 3.65873 |
| 1968 | 3.6931 |
| 1967 | 3.73175 |
| 1966 | 3.77796 |
| 1965 | 3.83645 |
| 1964 | 3.90763 |
| 1963 | 3.99059 |
| 1962 | 4.08728 |
| 1961 | 4.19128 |
| 1960 | 4.29736 |