| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.178553 |
| 2020 | 0.179398 |
| 2019 | 0.180448 |
| 2018 | 0.181984 |
| 2017 | 0.17909 |
| 2016 | 0.176301 |
| 2015 | 0.179568 |
| 2014 | 0.183675 |
| 2013 | 0.187193 |
| 2012 | 0.194479 |
| 2011 | 0.199285 |
| 2010 | 0.204182 |
| 2009 | 0.209438 |
| 2008 | 0.21202 |
| 2007 | 0.233257 |
| 2006 | 0.234315 |
| 2005 | 0.235571 |
| 2004 | 0.236962 |
| 2003 | 0.23835 |
| 2002 | 0.238076 |
| 2001 | 0.237886 |
| 2000 | 0.227693 |
| 1999 | 0.253386 |
| 1998 | 0.265311 |
| 1997 | 0.264114 |
| 1996 | 0.277556 |
| 1995 | 0.286011 |
| 1994 | 0.289019 |
| 1993 | 0.290049 |
| 1992 | 0.285808 |
| 1991 | 0.287649 |
| 1990 | 0.272253 |
| 1989 | 0.287074 |
| 1988 | 0.298972 |
| 1987 | 0.3047 |
| 1986 | 0.309732 |
| 1985 | 0.315236 |
| 1984 | 0.321072 |
| 1983 | 0.327065 |
| 1982 | 0.332729 |
| 1981 | 0.334764 |
| 1980 | 0.336988 |
| 1979 | 0.408386 |
| 1978 | 0.394292 |
| 1977 | 0.4292 |
| 1976 | 0.453 |
| 1975 | 0.482394 |
| 1974 | 0.513238 |
| 1973 | 0.545512 |
| 1972 | 0.538896 |
| 1971 | 0.532253 |
| 1970 | 0.532519 |
| 1969 | 0.54696 |
| 1968 | 0.561854 |
| 1967 | 0.575893 |
| 1966 | 0.591763 |
| 1965 | 0.60891 |
| 1964 | 0.626758 |
| 1963 | 0.644909 |
| 1962 | 0.663126 |
| 1961 | 0.681416 |
| 1960 | - |