| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 6.24914 |
| 2021 | 6.33322 |
| 2020 | 6.49731 |
| 2019 | 6.76534 |
| 2018 | 7.14965 |
| 2017 | 7.66637 |
| 2016 | 8.30281 |
| 2015 | 9.05936 |
| 2014 | 9.87454 |
| 2013 | 10.5435 |
| 2012 | 11.0252 |
| 2011 | 11.4368 |
| 2010 | 11.8028 |
| 2009 | 12.1254 |
| 2008 | 12.3749 |
| 2007 | 12.5176 |
| 2006 | 12.4887 |
| 2005 | 12.2907 |
| 2004 | 11.987 |
| 2003 | 11.5782 |
| 2002 | 11.145 |
| 2001 | 10.7183 |
| 2000 | 10.2257 |
| 1999 | 9.70654 |
| 1998 | 9.22844 |
| 1997 | 8.82613 |
| 1996 | 8.5298 |
| 1995 | 8.3639 |
| 1994 | 8.31138 |
| 1993 | 8.46304 |
| 1992 | 8.67048 |
| 1991 | 8.73625 |
| 1990 | 8.64457 |
| 1989 | 8.54722 |
| 1988 | 8.59146 |
| 1987 | 8.66587 |
| 1986 | 8.76295 |
| 1985 | 8.89049 |
| 1984 | 9.04996 |
| 1983 | 9.22577 |
| 1982 | 9.39513 |
| 1981 | 9.33284 |
| 1980 | 9.18943 |
| 1979 | 9.19143 |
| 1978 | 9.16474 |
| 1977 | 9.13224 |
| 1976 | 9.11425 |
| 1975 | 9.09045 |
| 1974 | 9.05103 |
| 1973 | 8.89038 |
| 1972 | 8.58242 |
| 1971 | 8.2479 |
| 1970 | 7.88161 |
| 1969 | 7.48176 |
| 1968 | 7.21385 |
| 1967 | 7.11481 |
| 1966 | 7.05818 |
| 1965 | 7.04689 |
| 1964 | 7.09479 |
| 1963 | 7.21832 |
| 1962 | 7.4019 |
| 1961 | 7.612 |
| 1960 | 7.82513 |