| 年份 | 伊拉克 |
|---|---|
| 2023 | - |
| 2022 | 0.283889 |
| 2021 | 0.282829 |
| 2020 | 0.287115 |
| 2019 | 0.28763 |
| 2018 | 0.281402 |
| 2017 | 0.276068 |
| 2016 | 0.271696 |
| 2015 | 0.268389 |
| 2014 | 0.266332 |
| 2013 | 0.265308 |
| 2012 | 0.264906 |
| 2011 | 0.265467 |
| 2010 | 0.267327 |
| 2009 | 0.270373 |
| 2008 | 0.274748 |
| 2007 | 0.280711 |
| 2006 | 0.287508 |
| 2005 | 0.294251 |
| 2004 | 0.301173 |
| 2003 | 0.308633 |
| 2002 | 0.316205 |
| 2001 | 0.323558 |
| 2000 | 0.330627 |
| 1999 | 0.337482 |
| 1998 | 0.343807 |
| 1997 | 0.349078 |
| 1996 | 0.353594 |
| 1995 | 0.358113 |
| 1994 | 0.362737 |
| 1993 | 0.367256 |
| 1992 | 0.371764 |
| 1991 | 0.376772 |
| 1990 | 0.383462 |
| 1989 | 0.390314 |
| 1988 | 0.395113 |
| 1987 | 0.396215 |
| 1986 | 0.394498 |
| 1985 | 0.392041 |
| 1984 | 0.388908 |
| 1983 | 0.384672 |
| 1982 | 0.378992 |
| 1981 | 0.37229 |
| 1980 | 0.364684 |
| 1979 | 0.355622 |
| 1978 | 0.345776 |
| 1977 | 0.335591 |
| 1976 | 0.324168 |
| 1975 | 0.311446 |
| 1974 | 0.297477 |
| 1973 | 0.281339 |
| 1972 | 0.263871 |
| 1971 | 0.247793 |
| 1970 | 0.235254 |
| 1969 | 0.226934 |
| 1968 | 0.223987 |
| 1967 | 0.226296 |
| 1966 | 0.230534 |
| 1965 | 0.234595 |
| 1964 | 0.238661 |
| 1963 | 0.242225 |
| 1962 | 0.244702 |
| 1961 | 0.246413 |
| 1960 | 0.24762 |