| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 0.568286 |
| 2021 | 0.527654 |
| 2020 | 0.482572 |
| 2019 | 0.442574 |
| 2018 | 0.411654 |
| 2017 | 0.382788 |
| 2016 | 0.353219 |
| 2015 | 0.322265 |
| 2014 | 0.292496 |
| 2013 | 0.277158 |
| 2012 | 0.275878 |
| 2011 | 0.276812 |
| 2010 | 0.274076 |
| 2009 | 0.272144 |
| 2008 | 0.27901 |
| 2007 | 0.288323 |
| 2006 | 0.296249 |
| 2005 | 0.300672 |
| 2004 | 0.296162 |
| 2003 | 0.286169 |
| 2002 | 0.277047 |
| 2001 | 0.268734 |
| 2000 | 0.261442 |
| 1999 | 0.255431 |
| 1998 | 0.250947 |
| 1997 | 0.247939 |
| 1996 | 0.246441 |
| 1995 | 0.243848 |
| 1994 | 0.233927 |
| 1993 | 0.217199 |
| 1992 | 0.204424 |
| 1991 | 0.198402 |
| 1990 | 0.1884 |
| 1989 | 0.184774 |
| 1988 | 0.185266 |
| 1987 | 0.18785 |
| 1986 | 0.192517 |
| 1985 | 0.198188 |
| 1984 | 0.204012 |
| 1983 | 0.21094 |
| 1982 | 0.218641 |
| 1981 | 0.225576 |
| 1980 | 0.231159 |
| 1979 | 0.234784 |
| 1978 | 0.236267 |
| 1977 | 0.235338 |
| 1976 | 0.232781 |
| 1975 | 0.231418 |
| 1974 | 0.232729 |
| 1973 | 0.237073 |
| 1972 | 0.242745 |
| 1971 | 0.245941 |
| 1970 | 0.247652 |
| 1969 | 0.25047 |
| 1968 | 0.254973 |
| 1967 | 0.261233 |
| 1966 | 0.269324 |
| 1965 | 0.278435 |
| 1964 | 0.28501 |
| 1963 | 0.287402 |
| 1962 | 0.285611 |
| 1961 | 0.281197 |
| 1960 | 0.276421 |