| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 10.1099 |
| 2021 | 10.0411 |
| 2020 | 9.87002 |
| 2019 | 9.6092 |
| 2018 | 9.29824 |
| 2017 | 8.9883 |
| 2016 | 8.66528 |
| 2015 | 8.3774 |
| 2014 | 8.13072 |
| 2013 | 7.84786 |
| 2012 | 7.56376 |
| 2011 | 7.33438 |
| 2010 | 7.16606 |
| 2009 | 7.05026 |
| 2008 | 6.96882 |
| 2007 | 6.90405 |
| 2006 | 6.83047 |
| 2005 | 6.7401 |
| 2004 | 6.64272 |
| 2003 | 6.54837 |
| 2002 | 6.48614 |
| 2001 | 6.43567 |
| 2000 | 6.3791 |
| 1999 | 6.34234 |
| 1998 | 6.31004 |
| 1997 | 6.26509 |
| 1996 | 6.21237 |
| 1995 | 6.15173 |
| 1994 | 6.07847 |
| 1993 | 6.03858 |
| 1992 | 6.00665 |
| 1991 | 5.93879 |
| 1990 | 5.83986 |
| 1989 | 5.75592 |
| 1988 | 5.65743 |
| 1987 | 5.48754 |
| 1986 | 5.30426 |
| 1985 | 5.10484 |
| 1984 | 4.88678 |
| 1983 | 4.7411 |
| 1982 | 4.69357 |
| 1981 | 4.58399 |
| 1980 | 4.5047 |
| 1979 | 4.56656 |
| 1978 | 4.66943 |
| 1977 | 4.8002 |
| 1976 | 4.94269 |
| 1975 | 5.07059 |
| 1974 | 5.17686 |
| 1973 | 5.26656 |
| 1972 | 5.33549 |
| 1971 | 5.39553 |
| 1970 | 5.45405 |
| 1969 | 5.50547 |
| 1968 | 5.5372 |
| 1967 | 5.55836 |
| 1966 | 5.59275 |
| 1965 | 5.65248 |
| 1964 | 5.73848 |
| 1963 | 5.86076 |
| 1962 | 5.99951 |
| 1961 | 6.09292 |
| 1960 | 6.10289 |