| 年份 | 伊拉克 |
|---|---|
| 2023 | - |
| 2022 | 13.1868 |
| 2021 | 13.3862 |
| 2020 | 13.6692 |
| 2019 | 14.0525 |
| 2018 | 14.5119 |
| 2017 | 14.9969 |
| 2016 | 15.4502 |
| 2015 | 15.7757 |
| 2014 | 15.9235 |
| 2013 | 15.9404 |
| 2012 | 15.889 |
| 2011 | 15.7981 |
| 2010 | 15.7367 |
| 2009 | 15.7665 |
| 2008 | 15.8477 |
| 2007 | 15.9347 |
| 2006 | 16.0426 |
| 2005 | 16.1861 |
| 2004 | 16.3451 |
| 2003 | 16.5143 |
| 2002 | 16.7067 |
| 2001 | 16.8831 |
| 2000 | 17.0323 |
| 1999 | 17.1854 |
| 1998 | 17.3507 |
| 1997 | 17.5151 |
| 1996 | 17.6762 |
| 1995 | 17.8066 |
| 1994 | 17.8608 |
| 1993 | 17.8452 |
| 1992 | 17.7911 |
| 1991 | 17.7404 |
| 1990 | 17.731 |
| 1989 | 17.7812 |
| 1988 | 17.8329 |
| 1987 | 17.8659 |
| 1986 | 17.9087 |
| 1985 | 17.9441 |
| 1984 | 17.9696 |
| 1983 | 18.0098 |
| 1982 | 18.0839 |
| 1981 | 18.1808 |
| 1980 | 18.3171 |
| 1979 | 18.513 |
| 1978 | 18.7376 |
| 1977 | 18.9573 |
| 1976 | 19.1687 |
| 1975 | 19.3494 |
| 1974 | 19.4876 |
| 1973 | 19.5906 |
| 1972 | 19.6503 |
| 1971 | 19.6644 |
| 1970 | 19.647 |
| 1969 | 19.6056 |
| 1968 | 19.5612 |
| 1967 | 19.5315 |
| 1966 | 19.2299 |
| 1965 | 18.5072 |
| 1964 | 17.6312 |
| 1963 | 16.5964 |
| 1962 | 15.3773 |
| 1961 | 14.7031 |
| 1960 | 14.7655 |