| 年份 | 伊拉克 |
|---|---|
| 2023 | - |
| 2022 | 5.19154 |
| 2021 | 5.18391 |
| 2020 | 5.1831 |
| 2019 | 5.18872 |
| 2018 | 5.19593 |
| 2017 | 5.20026 |
| 2016 | 5.20263 |
| 2015 | 5.20209 |
| 2014 | 5.1967 |
| 2013 | 5.18254 |
| 2012 | 5.15627 |
| 2011 | 5.11897 |
| 2010 | 5.07167 |
| 2009 | 5.01534 |
| 2008 | 4.95766 |
| 2007 | 4.90728 |
| 2006 | 4.78616 |
| 2005 | 4.56321 |
| 2004 | 4.3089 |
| 2003 | 4.02151 |
| 2002 | 3.69859 |
| 2001 | 3.52784 |
| 2000 | 3.55507 |
| 1999 | 3.67009 |
| 1998 | 3.88076 |
| 1997 | 4.14334 |
| 1996 | 4.29597 |
| 1995 | 4.31798 |
| 1994 | 4.27134 |
| 1993 | 4.17788 |
| 1992 | 4.05518 |
| 1991 | 3.93783 |
| 1990 | 3.891 |
| 1989 | 3.87307 |
| 1988 | 3.846 |
| 1987 | 3.84797 |
| 1986 | 3.88224 |
| 1985 | 3.90045 |
| 1984 | 3.91513 |
| 1983 | 3.93028 |
| 1982 | 3.94748 |
| 1981 | 3.96795 |
| 1980 | 3.98938 |
| 1979 | 4.01009 |
| 1978 | 4.03269 |
| 1977 | 4.05896 |
| 1976 | 4.08457 |
| 1975 | 4.10712 |
| 1974 | 4.12741 |
| 1973 | 4.14494 |
| 1972 | 4.16194 |
| 1971 | 4.18667 |
| 1970 | 4.22449 |
| 1969 | 4.27525 |
| 1968 | 4.33678 |
| 1967 | 4.41146 |
| 1966 | 4.50491 |
| 1965 | 4.62035 |
| 1964 | 4.7584 |
| 1963 | 4.92349 |
| 1962 | 5.11104 |
| 1961 | 5.27796 |
| 1960 | 5.39744 |