| 年份 | 伊拉克 |
|---|---|
| 2023 | - |
| 2022 | 0.455533 |
| 2021 | 0.455256 |
| 2020 | 0.455129 |
| 2019 | 0.450456 |
| 2018 | 0.439769 |
| 2017 | 0.429565 |
| 2016 | 0.421278 |
| 2015 | 0.415188 |
| 2014 | 0.411005 |
| 2013 | 0.40907 |
| 2012 | 0.408896 |
| 2011 | 0.409338 |
| 2010 | 0.409596 |
| 2009 | 0.409577 |
| 2008 | 0.409449 |
| 2007 | 0.409448 |
| 2006 | 0.410249 |
| 2005 | 0.412253 |
| 2004 | 0.415609 |
| 2003 | 0.420336 |
| 2002 | 0.426268 |
| 2001 | 0.433562 |
| 2000 | 0.442543 |
| 1999 | 0.453636 |
| 1998 | 0.467445 |
| 1997 | 0.483108 |
| 1996 | 0.49801 |
| 1995 | 0.511139 |
| 1994 | 0.52298 |
| 1993 | 0.532373 |
| 1992 | 0.539389 |
| 1991 | 0.547987 |
| 1990 | 0.562176 |
| 1989 | 0.579031 |
| 1988 | 0.59595 |
| 1987 | 0.610818 |
| 1986 | 0.622676 |
| 1985 | 0.63286 |
| 1984 | 0.641443 |
| 1983 | 0.648057 |
| 1982 | 0.651678 |
| 1981 | 0.652813 |
| 1980 | 0.651472 |
| 1979 | 0.646399 |
| 1978 | 0.637794 |
| 1977 | 0.627244 |
| 1976 | 0.615947 |
| 1975 | 0.605755 |
| 1974 | 0.5973 |
| 1973 | 0.590263 |
| 1972 | 0.583583 |
| 1971 | 0.573453 |
| 1970 | 0.557042 |
| 1969 | 0.533967 |
| 1968 | 0.502187 |
| 1967 | 0.46343 |
| 1966 | 0.426723 |
| 1965 | 0.398788 |
| 1964 | 0.380661 |
| 1963 | 0.37497 |
| 1962 | 0.381428 |
| 1961 | 0.39002 |
| 1960 | 0.394696 |