| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 5.62347 |
| 2021 | 5.50682 |
| 2020 | 5.36383 |
| 2019 | 5.2175 |
| 2018 | 5.08646 |
| 2017 | 4.99563 |
| 2016 | 4.92402 |
| 2015 | 4.88545 |
| 2014 | 4.90248 |
| 2013 | 4.90186 |
| 2012 | 4.86191 |
| 2011 | 4.79818 |
| 2010 | 4.7141 |
| 2009 | 4.61217 |
| 2008 | 4.49777 |
| 2007 | 4.38325 |
| 2006 | 4.27304 |
| 2005 | 4.16772 |
| 2004 | 4.06722 |
| 2003 | 3.92952 |
| 2002 | 3.74196 |
| 2001 | 3.5547 |
| 2000 | 3.37064 |
| 1999 | 3.17939 |
| 1998 | 3.03199 |
| 1997 | 2.93737 |
| 1996 | 2.85851 |
| 1995 | 2.80447 |
| 1994 | 2.77931 |
| 1993 | 2.77836 |
| 1992 | 2.79943 |
| 1991 | 2.83903 |
| 1990 | 2.89024 |
| 1989 | 2.94166 |
| 1988 | 2.98191 |
| 1987 | 3.01723 |
| 1986 | 3.05277 |
| 1985 | 3.09142 |
| 1984 | 3.12884 |
| 1983 | 3.15736 |
| 1982 | 3.18157 |
| 1981 | 3.22197 |
| 1980 | 3.27779 |
| 1979 | 3.33684 |
| 1978 | 3.40989 |
| 1977 | 3.48557 |
| 1976 | 3.53154 |
| 1975 | 3.52709 |
| 1974 | 3.4762 |
| 1973 | 3.37832 |
| 1972 | 3.24295 |
| 1971 | 3.11112 |
| 1970 | 3.01056 |
| 1969 | 2.93604 |
| 1968 | 2.88356 |
| 1967 | 2.86123 |
| 1966 | 2.86577 |
| 1965 | 2.89373 |
| 1964 | 2.95233 |
| 1963 | 3.0511 |
| 1962 | 3.17637 |
| 1961 | 3.29935 |
| 1960 | 3.40251 |