| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 1.36486 |
| 2021 | 1.16318 |
| 2020 | 0.982887 |
| 2019 | 0.819309 |
| 2018 | 0.701642 |
| 2017 | 0.636415 |
| 2016 | 0.575096 |
| 2015 | 0.544511 |
| 2014 | 0.52671 |
| 2013 | 0.497884 |
| 2012 | 0.481549 |
| 2011 | 0.475044 |
| 2010 | 0.461734 |
| 2009 | 0.440204 |
| 2008 | 0.422421 |
| 2007 | 0.411107 |
| 2006 | 0.410828 |
| 2005 | 0.420508 |
| 2004 | 0.428253 |
| 2003 | 0.423565 |
| 2002 | 0.408123 |
| 2001 | 0.388115 |
| 2000 | 0.368288 |
| 1999 | 0.351579 |
| 1998 | 0.339146 |
| 1997 | 0.331515 |
| 1996 | 0.327888 |
| 1995 | 0.345899 |
| 1994 | 0.411692 |
| 1993 | 0.479219 |
| 1992 | 0.475032 |
| 1991 | 0.433754 |
| 1990 | 0.369022 |
| 1989 | 0.333737 |
| 1988 | 0.310017 |
| 1987 | 0.293399 |
| 1986 | 0.278773 |
| 1985 | 0.270571 |
| 1984 | 0.264976 |
| 1983 | 0.255407 |
| 1982 | 0.245324 |
| 1981 | 0.237043 |
| 1980 | 0.237266 |
| 1979 | 0.249547 |
| 1978 | 0.276771 |
| 1977 | 0.317568 |
| 1976 | 0.364724 |
| 1975 | 0.398341 |
| 1974 | 0.414424 |
| 1973 | 0.427507 |
| 1972 | 0.437296 |
| 1971 | 0.446527 |
| 1970 | 0.452908 |
| 1969 | 0.453991 |
| 1968 | 0.450498 |
| 1967 | 0.442074 |
| 1966 | 0.431103 |
| 1965 | 0.430561 |
| 1964 | 0.443794 |
| 1963 | 0.464012 |
| 1962 | 0.493513 |
| 1961 | 0.526173 |
| 1960 | 0.56006 |