| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 8.2093 |
| 2021 | 7.61561 |
| 2020 | 6.9129 |
| 2019 | 6.36006 |
| 2018 | 6.00206 |
| 2017 | 5.65531 |
| 2016 | 5.32714 |
| 2015 | 5.00751 |
| 2014 | 4.69303 |
| 2013 | 4.38657 |
| 2012 | 4.06165 |
| 2011 | 3.75786 |
| 2010 | 3.55509 |
| 2009 | 3.45215 |
| 2008 | 3.36951 |
| 2007 | 3.29771 |
| 2006 | 3.23196 |
| 2005 | 3.16937 |
| 2004 | 3.08259 |
| 2003 | 2.97781 |
| 2002 | 2.88062 |
| 2001 | 2.78824 |
| 2000 | 2.69726 |
| 1999 | 2.60327 |
| 1998 | 2.50507 |
| 1997 | 2.40516 |
| 1996 | 2.30778 |
| 1995 | 2.3125 |
| 1994 | 2.59968 |
| 1993 | 2.99015 |
| 1992 | 3.06145 |
| 1991 | 2.92064 |
| 1990 | 2.66865 |
| 1989 | 2.5122 |
| 1988 | 2.38213 |
| 1987 | 2.26243 |
| 1986 | 2.14697 |
| 1985 | 2.08793 |
| 1984 | 2.07484 |
| 1983 | 2.07442 |
| 1982 | 2.10047 |
| 1981 | 2.129 |
| 1980 | 2.13346 |
| 1979 | 2.11688 |
| 1978 | 2.10987 |
| 1977 | 2.10955 |
| 1976 | 2.11818 |
| 1975 | 2.10553 |
| 1974 | 2.06809 |
| 1973 | 2.04231 |
| 1972 | 2.0264 |
| 1971 | 2.00986 |
| 1970 | 1.99481 |
| 1969 | 1.9872 |
| 1968 | 1.97882 |
| 1967 | 1.96602 |
| 1966 | 1.9613 |
| 1965 | 1.96545 |
| 1964 | 1.97614 |
| 1963 | 2.00861 |
| 1962 | 2.06816 |
| 1961 | 2.14621 |
| 1960 | 2.23701 |