| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 6.17322 |
| 2021 | 6.28123 |
| 2020 | 6.46926 |
| 2019 | 6.75628 |
| 2018 | 7.14875 |
| 2017 | 7.65806 |
| 2016 | 8.2775 |
| 2015 | 9.03021 |
| 2014 | 9.87066 |
| 2013 | 10.5712 |
| 2012 | 11.0802 |
| 2011 | 11.526 |
| 2010 | 11.9321 |
| 2009 | 12.2973 |
| 2008 | 12.5825 |
| 2007 | 12.7481 |
| 2006 | 12.7282 |
| 2005 | 12.5216 |
| 2004 | 12.1853 |
| 2003 | 11.7222 |
| 2002 | 11.2137 |
| 2001 | 10.6903 |
| 2000 | 10.0999 |
| 1999 | 9.507 |
| 1998 | 8.98394 |
| 1997 | 8.56399 |
| 1996 | 8.27569 |
| 1995 | 8.13661 |
| 1994 | 8.12224 |
| 1993 | 8.32966 |
| 1992 | 8.57431 |
| 1991 | 8.6338 |
| 1990 | 8.49917 |
| 1989 | 8.35217 |
| 1988 | 8.36537 |
| 1987 | 8.41198 |
| 1986 | 8.49023 |
| 1985 | 8.61212 |
| 1984 | 8.77499 |
| 1983 | 8.9427 |
| 1982 | 9.08861 |
| 1981 | 9.08032 |
| 1980 | 9.0142 |
| 1979 | 9.02437 |
| 1978 | 9.00571 |
| 1977 | 8.97848 |
| 1976 | 8.95959 |
| 1975 | 8.93608 |
| 1974 | 8.8947 |
| 1973 | 8.7445 |
| 1972 | 8.48211 |
| 1971 | 8.20863 |
| 1970 | 7.90845 |
| 1969 | 7.58013 |
| 1968 | 7.36262 |
| 1967 | 7.27549 |
| 1966 | 7.21335 |
| 1965 | 7.19173 |
| 1964 | 7.22899 |
| 1963 | 7.34387 |
| 1962 | 7.52033 |
| 1961 | 7.72581 |
| 1960 | 7.9376 |