| 年份 | 卡塔尔 |
|---|---|
| 2023 | - |
| 2022 | 0.297994 |
| 2021 | 0.269057 |
| 2020 | 0.247483 |
| 2019 | 0.23814 |
| 2018 | 0.221114 |
| 2017 | 0.196797 |
| 2016 | 0.1754 |
| 2015 | 0.165944 |
| 2014 | 0.187216 |
| 2013 | 0.210343 |
| 2012 | 0.202869 |
| 2011 | 0.185176 |
| 2010 | 0.175582 |
| 2009 | 0.186614 |
| 2008 | 0.21252 |
| 2007 | 0.245398 |
| 2006 | 0.279138 |
| 2005 | 0.302394 |
| 2004 | 0.308204 |
| 2003 | 0.31112 |
| 2002 | 0.3132 |
| 2001 | 0.307686 |
| 2000 | 0.300704 |
| 1999 | 0.297958 |
| 1998 | 0.301717 |
| 1997 | 0.30931 |
| 1996 | 0.315798 |
| 1995 | 0.316861 |
| 1994 | 0.310573 |
| 1993 | 0.300526 |
| 1992 | 0.288544 |
| 1991 | 0.274261 |
| 1990 | 0.25926 |
| 1989 | 0.245005 |
| 1988 | 0.23104 |
| 1987 | 0.217588 |
| 1986 | 0.208646 |
| 1985 | 0.214023 |
| 1984 | 0.231545 |
| 1983 | 0.250913 |
| 1982 | 0.27054 |
| 1981 | 0.290595 |
| 1980 | 0.312066 |
| 1979 | 0.334848 |
| 1978 | 0.356716 |
| 1977 | 0.377401 |
| 1976 | 0.399823 |
| 1975 | 0.424431 |
| 1974 | 0.452779 |
| 1973 | 0.487594 |
| 1972 | 0.529554 |
| 1971 | 0.584109 |
| 1970 | 0.658 |
| 1969 | 0.710962 |
| 1968 | 0.725428 |
| 1967 | 0.742473 |
| 1966 | 0.766161 |
| 1965 | 0.788899 |
| 1964 | 0.81223 |
| 1963 | 0.844576 |
| 1962 | 0.879568 |
| 1961 | 0.914473 |
| 1960 | 0.949273 |