| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 13.699 |
| 2020 | 14.231 |
| 2019 | 15.118 |
| 2018 | 17.231 |
| 2017 | 18.608 |
| 2016 | 19.017 |
| 2015 | 19.428 |
| 2014 | 19.824 |
| 2013 | 19.445 |
| 2012 | 18.926 |
| 2011 | 18.164 |
| 2010 | 17.755 |
| 2009 | 17.548 |
| 2008 | 17.264 |
| 2007 | 16.897 |
| 2006 | 16.489 |
| 2005 | 16.199 |
| 2004 | 16.068 |
| 2003 | 15.958 |
| 2002 | 16.069 |
| 2001 | 16.276 |
| 2000 | 16.39 |
| 1999 | 16.56 |
| 1998 | 16.802 |
| 1997 | 17.338 |
| 1996 | 18.593 |
| 1995 | 20.448 |
| 1994 | 22.778 |
| 1993 | 26.089 |
| 1992 | 28.549 |
| 1991 | 30.928 |
| 1990 | 32.46 |
| 1989 | 34.106 |
| 1988 | 35.961 |
| 1987 | 37.926 |
| 1986 | 40.046 |
| 1985 | 41.792 |
| 1984 | 43.119 |
| 1983 | 43.871 |
| 1982 | 44.393 |
| 1981 | 44.063 |
| 1980 | 44.357 |
| 1979 | 44.21 |
| 1978 | 43.061 |
| 1977 | 42.262 |
| 1976 | 41.815 |
| 1975 | 40.796 |
| 1974 | 40.632 |
| 1973 | 40.635 |
| 1972 | 41.134 |
| 1971 | 42.365 |
| 1970 | 43.24 |
| 1969 | 44.164 |
| 1968 | 44.506 |
| 1967 | 44.939 |
| 1966 | 45.123 |
| 1965 | 45.481 |
| 1964 | 45.916 |
| 1963 | 46.611 |
| 1962 | 47.354 |
| 1961 | 47.959 |
| 1960 | 49.046 |