| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 7.47861 |
| 2021 | 7.96955 |
| 2020 | 8.43913 |
| 2019 | 8.86337 |
| 2018 | 9.14822 |
| 2017 | 9.23987 |
| 2016 | 9.20131 |
| 2015 | 9.09935 |
| 2014 | 8.93209 |
| 2013 | 8.71572 |
| 2012 | 8.5056 |
| 2011 | 8.31227 |
| 2010 | 8.14172 |
| 2009 | 7.98327 |
| 2008 | 7.83128 |
| 2007 | 7.70899 |
| 2006 | 7.64465 |
| 2005 | 7.63816 |
| 2004 | 7.67302 |
| 2003 | 7.74407 |
| 2002 | 7.82355 |
| 2001 | 7.95074 |
| 2000 | 8.21648 |
| 1999 | 8.65664 |
| 1998 | 9.33975 |
| 1997 | 10.2589 |
| 1996 | 11.3041 |
| 1995 | 12.3426 |
| 1994 | 13.2868 |
| 1993 | 13.9925 |
| 1992 | 14.5427 |
| 1991 | 15.148 |
| 1990 | 15.8891 |
| 1989 | 16.6454 |
| 1988 | 17.2085 |
| 1987 | 17.6625 |
| 1986 | 17.9396 |
| 1985 | 18.04 |
| 1984 | 18.0413 |
| 1983 | 17.913 |
| 1982 | 17.6464 |
| 1981 | 17.6276 |
| 1980 | 17.6302 |
| 1979 | 17.3061 |
| 1978 | 17.0077 |
| 1977 | 16.7828 |
| 1976 | 16.6339 |
| 1975 | 16.6122 |
| 1974 | 16.7081 |
| 1973 | 16.8528 |
| 1972 | 17.0268 |
| 1971 | 17.1744 |
| 1970 | 17.2746 |
| 1969 | 17.3427 |
| 1968 | 17.395 |
| 1967 | 17.4543 |
| 1966 | 17.5304 |
| 1965 | 17.6524 |
| 1964 | 17.8336 |
| 1963 | 18.0264 |
| 1962 | 18.1795 |
| 1961 | 18.2834 |
| 1960 | 18.323 |