| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 5.03157 |
| 2021 | 4.74199 |
| 2020 | 4.78436 |
| 2019 | 4.88483 |
| 2018 | 4.84173 |
| 2017 | 4.88151 |
| 2016 | 4.90059 |
| 2015 | 5.03262 |
| 2014 | 5.21474 |
| 2013 | 5.26315 |
| 2012 | 5.34335 |
| 2011 | 5.46137 |
| 2010 | 5.63951 |
| 2009 | 5.85682 |
| 2008 | 6.11699 |
| 2007 | 6.35808 |
| 2006 | 6.44989 |
| 2005 | 6.39864 |
| 2004 | 6.58794 |
| 2003 | 7.05947 |
| 2002 | 7.51087 |
| 2001 | 7.89501 |
| 2000 | 8.1748 |
| 1999 | 8.31063 |
| 1998 | 8.22984 |
| 1997 | 7.85647 |
| 1996 | 7.16267 |
| 1995 | 6.70721 |
| 1994 | 7.72889 |
| 1993 | 9.45022 |
| 1992 | 9.72071 |
| 1991 | 9.04691 |
| 1990 | 7.92902 |
| 1989 | 7.40551 |
| 1988 | 7.19105 |
| 1987 | 7.17642 |
| 1986 | 7.34802 |
| 1985 | 7.57013 |
| 1984 | 7.79543 |
| 1983 | 8.03275 |
| 1982 | 8.23628 |
| 1981 | 8.4368 |
| 1980 | 8.68007 |
| 1979 | 8.97019 |
| 1978 | 9.24657 |
| 1977 | 9.49452 |
| 1976 | 9.66675 |
| 1975 | 9.54307 |
| 1974 | 9.21069 |
| 1973 | 8.95285 |
| 1972 | 8.75055 |
| 1971 | 8.61874 |
| 1970 | 8.6527 |
| 1969 | 8.79248 |
| 1968 | 8.92836 |
| 1967 | 9.09829 |
| 1966 | 9.31105 |
| 1965 | 9.41617 |
| 1964 | 9.34833 |
| 1963 | 9.1839 |
| 1962 | 8.91155 |
| 1961 | 8.71849 |
| 1960 | 8.61851 |