| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 12.6 |
| 2020 | 13 |
| 2019 | 13.5 |
| 2018 | 14 |
| 2017 | 14.5 |
| 2016 | 15 |
| 2015 | 15.5 |
| 2014 | 16.1 |
| 2013 | 16.8 |
| 2012 | 17.5 |
| 2011 | 18.4 |
| 2010 | 19.3 |
| 2009 | 20.4 |
| 2008 | 21.7 |
| 2007 | 23.1 |
| 2006 | 24.7 |
| 2005 | 26.3 |
| 2004 | 28.1 |
| 2003 | 30 |
| 2002 | 32 |
| 2001 | 34.1 |
| 2000 | 36.1 |
| 1999 | 38.1 |
| 1998 | 40 |
| 1997 | 41.9 |
| 1996 | 43.8 |
| 1995 | 45.7 |
| 1994 | 47.7 |
| 1993 | 49.7 |
| 1992 | 51.9 |
| 1991 | 54.5 |
| 1990 | 57.3 |
| 1989 | 60.5 |
| 1988 | 63.9 |
| 1987 | 67.7 |
| 1986 | 71.7 |
| 1985 | 76 |
| 1984 | 80.8 |
| 1983 | 86.3 |
| 1982 | 92.5 |
| 1981 | 99.8 |
| 1980 | 107.9 |
| 1979 | 116.7 |
| 1978 | 125.8 |
| 1977 | 135 |
| 1976 | 144.3 |
| 1975 | 153.5 |
| 1974 | 162.3 |
| 1973 | 171 |
| 1972 | 179.7 |
| 1971 | 188.8 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |