| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 12.7322 |
| 2021 | 14.2336 |
| 2020 | 14.4317 |
| 2019 | 15.3003 |
| 2018 | 15.7472 |
| 2017 | 16.0623 |
| 2016 | 15.7807 |
| 2015 | 15.5688 |
| 2014 | 12.8201 |
| 2013 | 12.9739 |
| 2012 | 13.3279 |
| 2011 | 13.2008 |
| 2010 | 10.8045 |
| 2009 | 11.1823 |
| 2008 | 10.0527 |
| 2007 | 9.4771 |
| 2006 | 12.4659 |
| 2005 | 12.0762 |
| 2004 | 11.2363 |
| 2003 | 11.4195 |
| 2002 | 11.7171 |
| 2001 | 12.8716 |
| 2000 | 12.9321 |
| 1999 | 11.8163 |
| 1998 | 13.0491 |
| 1997 | 11.5927 |
| 1996 | 12.3681 |
| 1995 | 14.2515 |
| 1994 | 14.3535 |
| 1993 | 14.2309 |
| 1992 | 9.71464 |
| 1991 | 10.2763 |
| 1990 | 10.8464 |
| 1989 | 11.9808 |
| 1988 | 15.034 |
| 1987 | 14.3502 |
| 1986 | 15.245 |
| 1985 | 15.9049 |
| 1984 | 15.1126 |
| 1983 | 16.2361 |
| 1982 | 18.4846 |
| 1981 | 21.4515 |
| 1980 | 21.0287 |
| 1979 | 19.7614 |
| 1978 | 23.3221 |
| 1977 | 20.3454 |
| 1976 | 21.4325 |
| 1975 | 23.8422 |
| 1974 | 21.0782 |
| 1973 | 17.2766 |
| 1972 | 19.2261 |
| 1971 | 18.6831 |
| 1970 | 17.3939 |
| 1969 | 16.7223 |
| 1968 | 15.7582 |
| 1967 | 15.2515 |
| 1966 | 14.8295 |
| 1965 | 14.3619 |
| 1964 | 12.5029 |
| 1963 | 11.111 |
| 1962 | 10.2778 |
| 1961 | 10.467 |
| 1960 | 10.5171 |