| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 13.609 |
| 2021 | 13.4557 |
| 2020 | 12.8645 |
| 2019 | 12.0696 |
| 2018 | 11.2964 |
| 2017 | 10.4421 |
| 2016 | 9.64684 |
| 2015 | 9.04741 |
| 2014 | 8.53946 |
| 2013 | 8.07015 |
| 2012 | 7.57825 |
| 2011 | 7.14413 |
| 2010 | 6.83768 |
| 2009 | 6.68542 |
| 2008 | 6.582 |
| 2007 | 6.52361 |
| 2006 | 6.50477 |
| 2005 | 6.48853 |
| 2004 | 6.40304 |
| 2003 | 6.25638 |
| 2002 | 6.09823 |
| 2001 | 5.9348 |
| 2000 | 5.77356 |
| 1999 | 5.62097 |
| 1998 | 5.47811 |
| 1997 | 5.34194 |
| 1996 | 5.20954 |
| 1995 | 5.20837 |
| 1994 | 5.67279 |
| 1993 | 6.48187 |
| 1992 | 6.73589 |
| 1991 | 6.47316 |
| 1990 | 5.86918 |
| 1989 | 5.43602 |
| 1988 | 5.01972 |
| 1987 | 4.61508 |
| 1986 | 4.23026 |
| 1985 | 4.01489 |
| 1984 | 3.93661 |
| 1983 | 3.89929 |
| 1982 | 3.93183 |
| 1981 | 3.97253 |
| 1980 | 3.94684 |
| 1979 | 3.86672 |
| 1978 | 3.83226 |
| 1977 | 3.8403 |
| 1976 | 3.87813 |
| 1975 | 3.9295 |
| 1974 | 3.97186 |
| 1973 | 3.99491 |
| 1972 | 4.00864 |
| 1971 | 4.02334 |
| 1970 | 4.02627 |
| 1969 | 4.02307 |
| 1968 | 4.02608 |
| 1967 | 4.02112 |
| 1966 | 4.01 |
| 1965 | 4.01736 |
| 1964 | 4.05928 |
| 1963 | 4.1438 |
| 1962 | 4.26553 |
| 1961 | 4.39314 |
| 1960 | 4.48353 |