| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | 3.20495 |
| 2019 | 3.25775 |
| 2018 | 3.61979 |
| 2017 | 3.45957 |
| 2016 | 3.17397 |
| 2015 | 2.62911 |
| 2014 | 2.61669 |
| 2013 | 2.85279 |
| 2012 | 2.939 |
| 2011 | 3.48497 |
| 2010 | 3.70918 |
| 2009 | 3.84245 |
| 2008 | 3.91376 |
| 2007 | 4.59681 |
| 2006 | 4.28999 |
| 2005 | 4.05651 |
| 2004 | 4.29663 |
| 2003 | 4.36322 |
| 2002 | 4.48488 |
| 2001 | 4.07168 |
| 2000 | 4.03064 |
| 1999 | 4.22041 |
| 1998 | - |
| 1997 | - |
| 1996 | 3.53776 |
| 1995 | 4.08181 |
| 1994 | - |
| 1993 | 4.31462 |
| 1992 | 3.64046 |
| 1991 | 3.74353 |
| 1990 | 3.77391 |
| 1989 | 3.99721 |
| 1988 | 3.6813 |
| 1987 | 4.14092 |
| 1986 | 3.56991 |
| 1985 | 3.46019 |
| 1984 | 3.80161 |
| 1983 | 4.18053 |
| 1982 | 5.80205 |
| 1981 | 7.1314 |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | 5.41626 |
| 1976 | - |
| 1975 | 2.96557 |
| 1974 | 2.69034 |
| 1973 | 2.87668 |
| 1972 | 2.76672 |
| 1971 | 2.77034 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |