| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 5.38966 |
| 2021 | 5.06936 |
| 2020 | 4.6794 |
| 2019 | 4.29987 |
| 2018 | 3.97657 |
| 2017 | 3.65599 |
| 2016 | 3.3556 |
| 2015 | 3.09291 |
| 2014 | 2.86141 |
| 2013 | 2.66165 |
| 2012 | 2.48617 |
| 2011 | 2.33418 |
| 2010 | 2.22692 |
| 2009 | 2.16137 |
| 2008 | 2.10098 |
| 2007 | 2.06092 |
| 2006 | 2.04476 |
| 2005 | 2.03627 |
| 2004 | 1.9981 |
| 2003 | 1.93354 |
| 2002 | 1.86514 |
| 2001 | 1.79336 |
| 2000 | 1.72094 |
| 1999 | 1.65361 |
| 1998 | 1.5981 |
| 1997 | 1.55801 |
| 1996 | 1.53327 |
| 1995 | 1.5732 |
| 1994 | 1.77002 |
| 1993 | 2.02728 |
| 1992 | 2.09533 |
| 1991 | 2.02456 |
| 1990 | 1.85356 |
| 1989 | 1.73343 |
| 1988 | 1.62283 |
| 1987 | 1.5149 |
| 1986 | 1.4124 |
| 1985 | 1.3591 |
| 1984 | 1.34558 |
| 1983 | 1.34543 |
| 1982 | 1.37012 |
| 1981 | 1.40205 |
| 1980 | 1.4214 |
| 1979 | 1.43099 |
| 1978 | 1.45725 |
| 1977 | 1.49375 |
| 1976 | 1.52923 |
| 1975 | 1.53301 |
| 1974 | 1.50409 |
| 1973 | 1.46829 |
| 1972 | 1.42832 |
| 1971 | 1.39375 |
| 1970 | 1.37724 |
| 1969 | 1.38177 |
| 1968 | 1.40603 |
| 1967 | 1.45024 |
| 1966 | 1.50937 |
| 1965 | 1.57146 |
| 1964 | 1.63381 |
| 1963 | 1.71041 |
| 1962 | 1.80335 |
| 1961 | 1.90549 |
| 1960 | 2.01587 |