| 年份 | 伊拉克 |
|---|---|
| 2023 | - |
| 2022 | 0.549713 |
| 2021 | 0.545404 |
| 2020 | 0.548338 |
| 2019 | 0.547603 |
| 2018 | 0.538174 |
| 2017 | 0.529144 |
| 2016 | 0.521881 |
| 2015 | 0.517965 |
| 2014 | 0.516014 |
| 2013 | 0.515179 |
| 2012 | 0.515569 |
| 2011 | 0.517236 |
| 2010 | 0.520275 |
| 2009 | 0.524707 |
| 2008 | 0.530657 |
| 2007 | 0.538334 |
| 2006 | 0.547425 |
| 2005 | 0.556838 |
| 2004 | 0.567006 |
| 2003 | 0.5787 |
| 2002 | 0.591227 |
| 2001 | 0.603932 |
| 2000 | 0.616177 |
| 1999 | 0.628292 |
| 1998 | 0.640513 |
| 1997 | 0.651728 |
| 1996 | 0.662137 |
| 1995 | 0.672414 |
| 1994 | 0.682324 |
| 1993 | 0.69116 |
| 1992 | 0.700212 |
| 1991 | 0.711495 |
| 1990 | 0.726464 |
| 1989 | 0.742289 |
| 1988 | 0.75359 |
| 1987 | 0.757601 |
| 1986 | 0.756327 |
| 1985 | 0.75183 |
| 1984 | 0.744335 |
| 1983 | 0.73296 |
| 1982 | 0.717765 |
| 1981 | 0.700179 |
| 1980 | 0.681575 |
| 1979 | 0.661947 |
| 1978 | 0.641047 |
| 1977 | 0.618955 |
| 1976 | 0.594079 |
| 1975 | 0.56611 |
| 1974 | 0.535539 |
| 1973 | 0.501399 |
| 1972 | 0.465319 |
| 1971 | 0.432325 |
| 1970 | 0.406254 |
| 1969 | 0.388189 |
| 1968 | 0.379923 |
| 1967 | 0.380799 |
| 1966 | 0.38442 |
| 1965 | 0.387178 |
| 1964 | 0.389515 |
| 1963 | 0.390677 |
| 1962 | 0.389943 |
| 1961 | 0.38804 |
| 1960 | 0.385347 |