| 年份 | 伊拉克 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.496 |
| 2020 | 3.551 |
| 2019 | 3.604 |
| 2018 | 3.659 |
| 2017 | 3.73 |
| 2016 | 3.9 |
| 2015 | 4.09 |
| 2014 | 4.283 |
| 2013 | 4.378 |
| 2012 | 4.477 |
| 2011 | 4.536 |
| 2010 | 4.429 |
| 2009 | 4.362 |
| 2008 | 4.342 |
| 2007 | 4.371 |
| 2006 | 4.436 |
| 2005 | 4.475 |
| 2004 | 4.575 |
| 2003 | 4.615 |
| 2002 | 4.706 |
| 2001 | 4.837 |
| 2000 | 4.948 |
| 1999 | 5.056 |
| 1998 | 5.154 |
| 1997 | 5.244 |
| 1996 | 5.285 |
| 1995 | 5.398 |
| 1994 | 5.528 |
| 1993 | 5.64 |
| 1992 | 5.72 |
| 1991 | 5.81 |
| 1990 | 5.884 |
| 1989 | 5.944 |
| 1988 | 6.018 |
| 1987 | 6.099 |
| 1986 | 6.176 |
| 1985 | 6.248 |
| 1984 | 6.326 |
| 1983 | 6.389 |
| 1982 | 6.45 |
| 1981 | 6.514 |
| 1980 | 6.567 |
| 1979 | 6.629 |
| 1978 | 6.693 |
| 1977 | 6.754 |
| 1976 | 6.814 |
| 1975 | 6.875 |
| 1974 | 6.928 |
| 1973 | 6.963 |
| 1972 | 7.008 |
| 1971 | 7.056 |
| 1970 | 7.079 |
| 1969 | 7.099 |
| 1968 | 7.046 |
| 1967 | 6.997 |
| 1966 | 6.97 |
| 1965 | 6.945 |
| 1964 | 6.928 |
| 1963 | 6.901 |
| 1962 | 6.869 |
| 1961 | 5.8 |
| 1960 | 5.3 |