| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 7.23449 |
| 2021 | 7.71422 |
| 2020 | 8.1763 |
| 2019 | 8.59689 |
| 2018 | 8.88502 |
| 2017 | 8.98777 |
| 2016 | 8.96646 |
| 2015 | 8.88761 |
| 2014 | 8.74443 |
| 2013 | 8.54935 |
| 2012 | 8.35938 |
| 2011 | 8.18519 |
| 2010 | 8.02898 |
| 2009 | 7.88132 |
| 2008 | 7.74075 |
| 2007 | 7.62843 |
| 2006 | 7.56856 |
| 2005 | 7.55859 |
| 2004 | 7.58391 |
| 2003 | 7.64245 |
| 2002 | 7.72195 |
| 2001 | 7.86255 |
| 2000 | 8.14165 |
| 1999 | 8.59566 |
| 1998 | 9.29303 |
| 1997 | 10.2298 |
| 1996 | 11.3005 |
| 1995 | 12.3731 |
| 1994 | 13.3618 |
| 1993 | 14.1229 |
| 1992 | 14.7445 |
| 1991 | 15.4398 |
| 1990 | 16.2865 |
| 1989 | 17.1555 |
| 1988 | 17.8285 |
| 1987 | 18.3889 |
| 1986 | 18.7504 |
| 1985 | 18.8917 |
| 1984 | 18.8733 |
| 1983 | 18.6853 |
| 1982 | 18.3362 |
| 1981 | 18.0755 |
| 1980 | 17.8065 |
| 1979 | 17.3631 |
| 1978 | 16.9785 |
| 1977 | 16.7058 |
| 1976 | 16.5483 |
| 1975 | 16.5357 |
| 1974 | 16.6547 |
| 1973 | 16.8277 |
| 1972 | 17.0004 |
| 1971 | 17.1188 |
| 1970 | 17.1718 |
| 1969 | 17.1826 |
| 1968 | 17.1866 |
| 1967 | 17.2223 |
| 1966 | 17.2989 |
| 1965 | 17.4363 |
| 1964 | 17.6349 |
| 1963 | 17.8398 |
| 1962 | 17.9978 |
| 1961 | 18.1002 |
| 1960 | 18.1349 |