| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 4.82367 |
| 2021 | 5.16688 |
| 2020 | 5.42762 |
| 2019 | 5.70308 |
| 2018 | 6.10219 |
| 2017 | 6.52588 |
| 2016 | 6.8467 |
| 2015 | 7.31173 |
| 2014 | 7.6958 |
| 2013 | 7.77882 |
| 2012 | 7.96892 |
| 2011 | 8.07683 |
| 2010 | 8.083 |
| 2009 | 8.05494 |
| 2008 | 8.02854 |
| 2007 | 7.93176 |
| 2006 | 7.79942 |
| 2005 | 7.74338 |
| 2004 | 7.92891 |
| 2003 | 8.24895 |
| 2002 | 8.53161 |
| 2001 | 8.78517 |
| 2000 | 9.01294 |
| 1999 | 9.21677 |
| 1998 | 9.40326 |
| 1997 | 9.61946 |
| 1996 | 9.94322 |
| 1995 | 10.272 |
| 1994 | 10.1367 |
| 1993 | 9.59471 |
| 1992 | 9.47688 |
| 1991 | 9.76074 |
| 1990 | 10.7217 |
| 1989 | 11.4379 |
| 1988 | 12.1046 |
| 1987 | 12.7541 |
| 1986 | 13.3527 |
| 1985 | 13.7987 |
| 1984 | 14.1159 |
| 1983 | 14.3524 |
| 1982 | 14.5092 |
| 1981 | 14.637 |
| 1980 | 14.8614 |
| 1979 | 15.2105 |
| 1978 | 15.5783 |
| 1977 | 15.9569 |
| 1976 | 16.3445 |
| 1975 | 16.6428 |
| 1974 | 16.8339 |
| 1973 | 16.9977 |
| 1972 | 17.1099 |
| 1971 | 17.1687 |
| 1970 | 17.1332 |
| 1969 | 16.9714 |
| 1968 | 16.7129 |
| 1967 | 16.3846 |
| 1966 | 16.0029 |
| 1965 | 15.7504 |
| 1964 | 15.662 |
| 1963 | 15.5757 |
| 1962 | 15.5118 |
| 1961 | 15.4202 |
| 1960 | 15.1335 |