| 年份 | 伊拉克  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 3.8676 | 
| 2021 | 3.81106 | 
| 2020 | 3.75097 | 
| 2019 | 3.68813 | 
| 2018 | 3.62603 | 
| 2017 | 3.57009 | 
| 2016 | 3.46954 | 
| 2015 | 3.29977 | 
| 2014 | 3.11051 | 
| 2013 | 2.90278 | 
| 2012 | 2.66923 | 
| 2011 | 2.5416 | 
| 2010 | 2.55608 | 
| 2009 | 2.63063 | 
| 2008 | 2.77162 | 
| 2007 | 2.95765 | 
| 2006 | 3.06328 | 
| 2005 | 3.07075 | 
| 2004 | 3.0287 | 
| 2003 | 2.95054 | 
| 2002 | 2.85412 | 
| 2001 | 2.76594 | 
| 2000 | 2.72917 | 
| 1999 | 2.71453 | 
| 1998 | 2.6942 | 
| 1997 | 2.6939 | 
| 1996 | 2.71613 | 
| 1995 | 2.72672 | 
| 1994 | 2.73514 | 
| 1993 | 2.74445 | 
| 1992 | 2.75601 | 
| 1991 | 2.76998 | 
| 1990 | 2.78483 | 
| 1989 | 2.79836 | 
| 1988 | 2.81236 | 
| 1987 | 2.82755 | 
| 1986 | 2.84055 | 
| 1985 | 2.85013 | 
| 1984 | 2.85713 | 
| 1983 | 2.86123 | 
| 1982 | 2.86396 | 
| 1981 | 2.87131 | 
| 1980 | 2.88698 | 
| 1979 | 2.91088 | 
| 1978 | 2.94265 | 
| 1977 | 2.98499 | 
| 1976 | 3.04172 | 
| 1975 | 3.11508 | 
| 1974 | 3.20545 | 
| 1973 | 3.31507 | 
| 1972 | 3.43997 | 
| 1971 | 3.56348 | 
| 1970 | 3.67481 | 
| 1969 | 3.77637 | 
| 1968 | 3.86463 | 
| 1967 | 3.9376 | 
| 1966 | 4.01006 | 
| 1965 | 4.09005 | 
| 1964 | 4.17172 | 
| 1963 | 4.2544 | 
| 1962 | 4.34162 | 
| 1961 | 4.41798 | 
| 1960 | 4.47308 |