| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.7 |
| 2020 | 6.8 |
| 2019 | 6.8 |
| 2018 | 6.8 |
| 2017 | 6.8 |
| 2016 | 6.9 |
| 2015 | 7.1 |
| 2014 | 7.3 |
| 2013 | 7.5 |
| 2012 | 7.8 |
| 2011 | 8.1 |
| 2010 | 8.5 |
| 2009 | 8.7 |
| 2008 | 8.9 |
| 2007 | 9.1 |
| 2006 | 9.2 |
| 2005 | 9.4 |
| 2004 | 9.5 |
| 2003 | 9.7 |
| 2002 | 9.8 |
| 2001 | 9.9 |
| 2000 | 10.1 |
| 1999 | 10.4 |
| 1998 | 10.7 |
| 1997 | 10.9 |
| 1996 | 11.2 |
| 1995 | 11.3 |
| 1994 | 11.4 |
| 1993 | 11.5 |
| 1992 | 11.7 |
| 1991 | 12.2 |
| 1990 | 13.6 |
| 1989 | 13.8 |
| 1988 | 14.8 |
| 1987 | 15.8 |
| 1986 | 16.8 |
| 1985 | 18 |
| 1984 | 19.4 |
| 1983 | 21.2 |
| 1982 | 23.1 |
| 1981 | 25.2 |
| 1980 | 27.4 |
| 1979 | 29.5 |
| 1978 | 31.5 |
| 1977 | 33.6 |
| 1976 | 35.7 |
| 1975 | 37.9 |
| 1974 | 40.1 |
| 1973 | 42.3 |
| 1972 | 44.7 |
| 1971 | 47.2 |
| 1970 | 49.8 |
| 1969 | 52.6 |
| 1968 | 55.6 |
| 1967 | 59.1 |
| 1966 | 63 |
| 1965 | 67.2 |
| 1964 | 71.9 |
| 1963 | 76.9 |
| 1962 | 82.2 |
| 1961 | 87.7 |
| 1960 | 93.7 |