| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 2.11 |
| 2020 | 2.14 |
| 2019 | 2.159 |
| 2018 | 2.165 |
| 2017 | 2.161 |
| 2016 | 2.157 |
| 2015 | 2.16 |
| 2014 | 2.156 |
| 2013 | 2.153 |
| 2012 | 2.168 |
| 2011 | 2.2 |
| 2010 | 2.257 |
| 2009 | 2.34 |
| 2008 | 2.422 |
| 2007 | 2.516 |
| 2006 | 2.603 |
| 2005 | 2.662 |
| 2004 | 2.686 |
| 2003 | 2.691 |
| 2002 | 2.693 |
| 2001 | 2.715 |
| 2000 | 2.737 |
| 1999 | 2.791 |
| 1998 | 2.878 |
| 1997 | 2.971 |
| 1996 | 3.059 |
| 1995 | 3.046 |
| 1994 | 2.997 |
| 1993 | 2.988 |
| 1992 | 3.068 |
| 1991 | 3.178 |
| 1990 | 3.318 |
| 1989 | 3.465 |
| 1988 | 3.627 |
| 1987 | 3.803 |
| 1986 | 4.046 |
| 1985 | 4.324 |
| 1984 | 4.606 |
| 1983 | 4.849 |
| 1982 | 5.054 |
| 1981 | 5.226 |
| 1980 | 5.391 |
| 1979 | 5.537 |
| 1978 | 5.698 |
| 1977 | 5.846 |
| 1976 | 5.98 |
| 1975 | 6.094 |
| 1974 | 6.217 |
| 1973 | 6.384 |
| 1972 | 6.564 |
| 1971 | 6.761 |
| 1970 | 6.953 |
| 1969 | 7.138 |
| 1968 | 7.26 |
| 1967 | 7.32 |
| 1966 | 7.343 |
| 1965 | 7.325 |
| 1964 | 7.309 |
| 1963 | 7.296 |
| 1962 | 7.252 |
| 1961 | 7.211 |
| 1960 | 7.162 |