| 年份 | 卡塔尔 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 1.311 |
| 2020 | 1.219 |
| 2019 | 0.991 |
| 2018 | 0.982 |
| 2017 | 0.985 |
| 2016 | 0.991 |
| 2015 | 1.032 |
| 2014 | 1.102 |
| 2013 | 1.136 |
| 2012 | 1.156 |
| 2011 | 1.188 |
| 2010 | 1.263 |
| 2009 | 1.38 |
| 2008 | 1.517 |
| 2007 | 1.673 |
| 2006 | 1.869 |
| 2005 | 2.073 |
| 2004 | 2.077 |
| 2003 | 2.159 |
| 2002 | 2.173 |
| 2001 | 2.184 |
| 2000 | 2.278 |
| 1999 | 2.253 |
| 1998 | 2.224 |
| 1997 | 2.206 |
| 1996 | 2.208 |
| 1995 | 2.301 |
| 1994 | 2.242 |
| 1993 | 2.24 |
| 1992 | 2.24 |
| 1991 | 2.253 |
| 1990 | 2.241 |
| 1989 | 2.33 |
| 1988 | 2.428 |
| 1987 | 2.445 |
| 1986 | 2.541 |
| 1985 | 2.618 |
| 1984 | 2.703 |
| 1983 | 2.867 |
| 1982 | 2.963 |
| 1981 | 3.064 |
| 1980 | 3.249 |
| 1979 | 3.37 |
| 1978 | 3.55 |
| 1977 | 3.738 |
| 1976 | 3.97 |
| 1975 | 4.217 |
| 1974 | 4.527 |
| 1973 | 4.913 |
| 1972 | 5.349 |
| 1971 | 5.899 |
| 1970 | 6.596 |
| 1969 | 6.986 |
| 1968 | 7.402 |
| 1967 | 7.856 |
| 1966 | 8.389 |
| 1965 | 8.843 |
| 1964 | 9.28 |
| 1963 | 9.811 |
| 1962 | 10.253 |
| 1961 | 10.777 |
| 1960 | 11.243 |