| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 6.63163 |
| 2021 | 5.9897 |
| 2020 | 5.30892 |
| 2019 | 4.66258 |
| 2018 | 4.153 |
| 2017 | 3.75095 |
| 2016 | 3.37455 |
| 2015 | 3.09043 |
| 2014 | 2.84915 |
| 2013 | 2.65456 |
| 2012 | 2.53463 |
| 2011 | 2.45257 |
| 2010 | 2.39744 |
| 2009 | 2.36318 |
| 2008 | 2.33782 |
| 2007 | 2.31181 |
| 2006 | 2.28817 |
| 2005 | 2.27865 |
| 2004 | 2.28906 |
| 2003 | 2.30072 |
| 2002 | 2.29595 |
| 2001 | 2.27264 |
| 2000 | 2.23133 |
| 1999 | 2.17684 |
| 1998 | 2.11543 |
| 1997 | 2.05343 |
| 1996 | 1.99502 |
| 1995 | 2.04072 |
| 1994 | 2.37173 |
| 1993 | 2.82028 |
| 1992 | 2.93949 |
| 1991 | 2.81105 |
| 1990 | 2.54899 |
| 1989 | 2.36594 |
| 1988 | 2.19864 |
| 1987 | 2.04348 |
| 1986 | 1.9029 |
| 1985 | 1.85241 |
| 1984 | 1.87123 |
| 1983 | 1.91571 |
| 1982 | 2.00639 |
| 1981 | 2.10555 |
| 1980 | 2.1967 |
| 1979 | 2.29437 |
| 1978 | 2.43169 |
| 1977 | 2.60035 |
| 1976 | 2.79694 |
| 1975 | 2.93848 |
| 1974 | 3.00448 |
| 1973 | 3.07984 |
| 1972 | 3.16826 |
| 1971 | 3.26207 |
| 1970 | 3.31218 |
| 1969 | 3.31242 |
| 1968 | 3.3043 |
| 1967 | 3.28246 |
| 1966 | 3.24729 |
| 1965 | 3.2698 |
| 1964 | 3.36324 |
| 1963 | 3.45906 |
| 1962 | 3.5578 |
| 1961 | 3.62591 |
| 1960 | 3.67301 |