| 年份 | 卡塔尔 |
|---|---|
| 2023 | - |
| 2022 | 6.21314 |
| 2021 | 5.58021 |
| 2020 | 5.44217 |
| 2019 | 5.39918 |
| 2018 | 5.30389 |
| 2017 | 5.35655 |
| 2016 | 5.42903 |
| 2015 | 5.58378 |
| 2014 | 5.79605 |
| 2013 | 5.94632 |
| 2012 | 6.08282 |
| 2011 | 6.27698 |
| 2010 | 6.55754 |
| 2009 | 6.91445 |
| 2008 | 7.20431 |
| 2007 | 7.54655 |
| 2006 | 7.93527 |
| 2005 | 8.09854 |
| 2004 | 8.11187 |
| 2003 | 8.19943 |
| 2002 | 8.39759 |
| 2001 | 8.63897 |
| 2000 | 8.84208 |
| 1999 | 8.94273 |
| 1998 | 8.88102 |
| 1997 | 8.64274 |
| 1996 | 8.46454 |
| 1995 | 8.45085 |
| 1994 | 8.46108 |
| 1993 | 8.48307 |
| 1992 | 8.5115 |
| 1991 | 8.54145 |
| 1990 | 8.57837 |
| 1989 | 8.631 |
| 1988 | 8.69552 |
| 1987 | 8.75636 |
| 1986 | 8.80329 |
| 1985 | 8.95505 |
| 1984 | 9.2236 |
| 1983 | 9.47631 |
| 1982 | 9.68019 |
| 1981 | 9.81714 |
| 1980 | 9.88109 |
| 1979 | 9.88593 |
| 1978 | 9.85073 |
| 1977 | 9.771 |
| 1976 | 9.63185 |
| 1975 | 9.41647 |
| 1974 | 9.11175 |
| 1973 | 8.72663 |
| 1972 | 8.30226 |
| 1971 | 7.8972 |
| 1970 | 7.57496 |
| 1969 | 7.59924 |
| 1968 | 7.94401 |
| 1967 | 8.26596 |
| 1966 | 8.55171 |
| 1965 | 8.82065 |
| 1964 | 9.05447 |
| 1963 | 9.23132 |
| 1962 | 9.34801 |
| 1961 | 9.39561 |
| 1960 | 9.38691 |