| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | 0.571063 |
| 2021 | 0.549023 |
| 2020 | 0.538756 |
| 2019 | 0.500763 |
| 2018 | 0.444078 |
| 2017 | 0.402001 |
| 2016 | 0.361782 |
| 2015 | 0.324509 |
| 2014 | 0.295645 |
| 2013 | 0.281916 |
| 2012 | 0.270402 |
| 2011 | 0.256462 |
| 2010 | 0.248502 |
| 2009 | 0.247414 |
| 2008 | 0.248893 |
| 2007 | 0.252651 |
| 2006 | 0.255197 |
| 2005 | 0.254327 |
| 2004 | 0.247195 |
| 2003 | 0.236743 |
| 2002 | 0.228233 |
| 2001 | 0.222006 |
| 2000 | 0.217247 |
| 1999 | 0.213055 |
| 1998 | 0.208887 |
| 1997 | 0.204288 |
| 1996 | 0.19935 |
| 1995 | 0.198796 |
| 1994 | 0.207346 |
| 1993 | 0.216798 |
| 1992 | 0.215726 |
| 1991 | 0.209683 |
| 1990 | 0.188552 |
| 1989 | 0.17184 |
| 1988 | 0.15434 |
| 1987 | 0.135219 |
| 1986 | 0.118553 |
| 1985 | 0.110584 |
| 1984 | 0.110496 |
| 1983 | 0.117055 |
| 1982 | 0.130687 |
| 1981 | 0.146707 |
| 1980 | 0.162324 |
| 1979 | 0.178319 |
| 1978 | 0.195853 |
| 1977 | 0.213826 |
| 1976 | 0.232902 |
| 1975 | 0.245651 |
| 1974 | 0.249976 |
| 1973 | 0.252291 |
| 1972 | 0.253561 |
| 1971 | 0.25598 |
| 1970 | 0.256963 |
| 1969 | 0.254849 |
| 1968 | 0.252875 |
| 1967 | 0.252216 |
| 1966 | 0.251993 |
| 1965 | 0.2586 |
| 1964 | 0.275421 |
| 1963 | 0.29643 |
| 1962 | 0.321653 |
| 1961 | 0.349872 |
| 1960 | 0.379003 |