| 年份 | 科威特 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 9.5 |
| 2020 | 9.6 |
| 2019 | 9.6 |
| 2018 | 9.6 |
| 2017 | 9.7 |
| 2016 | 9.8 |
| 2015 | 9.9 |
| 2014 | 10.1 |
| 2013 | 10.4 |
| 2012 | 10.8 |
| 2011 | 11.2 |
| 2010 | 11.6 |
| 2009 | 11.9 |
| 2008 | 12.1 |
| 2007 | 12.3 |
| 2006 | 12.4 |
| 2005 | 12.6 |
| 2004 | 12.8 |
| 2003 | 13.1 |
| 2002 | 13.3 |
| 2001 | 13.5 |
| 2000 | 13.8 |
| 1999 | 14.1 |
| 1998 | 14.5 |
| 1997 | 14.9 |
| 1996 | 15.2 |
| 1995 | 15.4 |
| 1994 | 15.5 |
| 1993 | 15.6 |
| 1992 | 16 |
| 1991 | 16.6 |
| 1990 | 19.3 |
| 1989 | 18.9 |
| 1988 | 20.4 |
| 1987 | 21.8 |
| 1986 | 23.1 |
| 1985 | 24.8 |
| 1984 | 26.8 |
| 1983 | 29.3 |
| 1982 | 32.3 |
| 1981 | 35.3 |
| 1980 | 38.4 |
| 1979 | 41.4 |
| 1978 | 44.3 |
| 1977 | 47.3 |
| 1976 | 50.5 |
| 1975 | 53.8 |
| 1974 | 57.4 |
| 1973 | 61 |
| 1972 | 64.9 |
| 1971 | 69.1 |
| 1970 | 73.4 |
| 1969 | 78.1 |
| 1968 | 83.3 |
| 1967 | 89.1 |
| 1966 | 95.5 |
| 1965 | 102.5 |
| 1964 | 110.2 |
| 1963 | 118.5 |
| 1962 | 127.2 |
| 1961 | 136.3 |
| 1960 | 145.9 |