| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 24.7816 |
| 2021 | 21.5346 |
| 2020 | 24.3856 |
| 2019 | 27.2705 |
| 2018 | 27.4487 |
| 2017 | 22.0092 |
| 2016 | 19.2261 |
| 2015 | 20.7018 |
| 2014 | 22.5207 |
| 2013 | 21.9038 |
| 2012 | 21.614 |
| 2011 | 16.2861 |
| 2010 | 19.371 |
| 2009 | 20.9881 |
| 2008 | 21.6523 |
| 2007 | 21.0437 |
| 2006 | 23.2983 |
| 2005 | 24.1097 |
| 2004 | 26.0469 |
| 2003 | 26.0516 |
| 2002 | 23.7588 |
| 2001 | 21.2322 |
| 2000 | 19.7902 |
| 1999 | 15.5934 |
| 1998 | 16.5448 |
| 1997 | 15.3716 |
| 1996 | 15.0262 |
| 1995 | 13.468 |
| 1994 | 13.3229 |
| 1993 | 20.6308 |
| 1992 | 27.2333 |
| 1991 | 30.3699 |
| 1990 | 23.8018 |
| 1989 | 18.1078 |
| 1988 | 14.2988 |
| 1987 | 8.72745 |
| 1986 | 10.4132 |
| 1985 | 14.2888 |
| 1984 | 16.6207 |
| 1983 | 24.1963 |
| 1982 | 20.9732 |
| 1981 | 27.9434 |
| 1980 | 28.7466 |
| 1979 | 16.0595 |
| 1978 | 22.22 |
| 1977 | 29.0928 |
| 1976 | 28.2301 |
| 1975 | 35.3799 |
| 1974 | 24.0338 |
| 1973 | 20.6578 |
| 1972 | 21.506 |
| 1971 | 21.3228 |
| 1970 | 21.2015 |
| 1969 | 21.0501 |
| 1968 | 20.5128 |
| 1967 | 19.6589 |
| 1966 | 17.6126 |
| 1965 | 16.4758 |
| 1964 | 16.3304 |
| 1963 | 12.4599 |
| 1962 | 13.6786 |
| 1961 | 15.8631 |
| 1960 | 17.3885 |