| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 23.5657 |
| 2021 | 23.8111 |
| 2020 | 23.9925 |
| 2019 | 24.1062 |
| 2018 | 24.1061 |
| 2017 | 23.9749 |
| 2016 | 23.7874 |
| 2015 | 23.4693 |
| 2014 | 22.9661 |
| 2013 | 22.553 |
| 2012 | 22.3339 |
| 2011 | 22.2141 |
| 2010 | 22.2626 |
| 2009 | 22.5126 |
| 2008 | 23 |
| 2007 | 23.7475 |
| 2006 | 24.7266 |
| 2005 | 25.881 |
| 2004 | 27.1587 |
| 2003 | 28.5625 |
| 2002 | 29.9416 |
| 2001 | 31.3997 |
| 2000 | 33.088 |
| 1999 | 34.8207 |
| 1998 | 36.5506 |
| 1997 | 38.2389 |
| 1996 | 39.7443 |
| 1995 | 40.9985 |
| 1994 | 42.0246 |
| 1993 | 42.4026 |
| 1992 | 42.4978 |
| 1991 | 42.8665 |
| 1990 | 43.5373 |
| 1989 | 44.0851 |
| 1988 | 44.1223 |
| 1987 | 44.0537 |
| 1986 | 43.9211 |
| 1985 | 43.7239 |
| 1984 | 43.4744 |
| 1983 | 43.1813 |
| 1982 | 42.8414 |
| 1981 | 43.0272 |
| 1980 | 43.314 |
| 1979 | 43.1116 |
| 1978 | 42.9658 |
| 1977 | 42.9029 |
| 1976 | 42.8786 |
| 1975 | 42.9531 |
| 1974 | 43.1587 |
| 1973 | 43.4015 |
| 1972 | 43.6385 |
| 1971 | 43.8201 |
| 1970 | 43.949 |
| 1969 | 44.0403 |
| 1968 | 44.0929 |
| 1967 | 44.1314 |
| 1966 | 44.1795 |
| 1965 | 44.2598 |
| 1964 | 44.3537 |
| 1963 | 44.2615 |
| 1962 | 43.9426 |
| 1961 | 43.5355 |
| 1960 | 43.0165 |