| 年份 | 伊朗伊斯兰共和国  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 11.0777 | 
| 2021 | 10.7174 | 
| 2020 | 10.3159 | 
| 2019 | 9.84982 | 
| 2018 | 9.39627 | 
| 2017 | 8.96214 | 
| 2016 | 8.55075 | 
| 2015 | 8.18044 | 
| 2014 | 7.84362 | 
| 2013 | 7.54818 | 
| 2012 | 7.30338 | 
| 2011 | 7.08218 | 
| 2010 | 6.9031 | 
| 2009 | 6.7714 | 
| 2008 | 6.67714 | 
| 2007 | 6.61328 | 
| 2006 | 6.57706 | 
| 2005 | 6.56959 | 
| 2004 | 6.57199 | 
| 2003 | 6.57528 | 
| 2002 | 6.54102 | 
| 2001 | 6.51554 | 
| 2000 | 6.54663 | 
| 1999 | 6.57803 | 
| 1998 | 6.60964 | 
| 1997 | 6.63875 | 
| 1996 | 6.64238 | 
| 1995 | 6.62209 | 
| 1994 | 6.58627 | 
| 1993 | 6.44962 | 
| 1992 | 6.29999 | 
| 1991 | 6.23866 | 
| 1990 | 6.25755 | 
| 1989 | 6.25296 | 
| 1988 | 6.13727 | 
| 1987 | 6.01365 | 
| 1986 | 5.90898 | 
| 1985 | 5.83862 | 
| 1984 | 5.80318 | 
| 1983 | 5.80453 | 
| 1982 | 5.8371 | 
| 1981 | 5.97945 | 
| 1980 | 6.14121 | 
| 1979 | 6.20798 | 
| 1978 | 6.28995 | 
| 1977 | 6.38008 | 
| 1976 | 6.45758 | 
| 1975 | 6.53639 | 
| 1974 | 6.62379 | 
| 1973 | 6.70348 | 
| 1972 | 6.7771 | 
| 1971 | 6.8461 | 
| 1970 | 6.91808 | 
| 1969 | 6.99553 | 
| 1968 | 7.07301 | 
| 1967 | 7.1576 | 
| 1966 | 7.25938 | 
| 1965 | 7.39146 | 
| 1964 | 7.55264 | 
| 1963 | 7.7116 | 
| 1962 | 7.86468 | 
| 1961 | 8.01803 | 
| 1960 | 8.15653 |