| 年份 | 阿拉伯叙利亚共和国 |
|---|---|
| 2023 | - |
| 2022 | 0.667984 |
| 2021 | 0.65024 |
| 2020 | 0.639019 |
| 2019 | 0.632261 |
| 2018 | 0.628661 |
| 2017 | 0.622563 |
| 2016 | 0.616219 |
| 2015 | 0.610766 |
| 2014 | 0.603165 |
| 2013 | 0.595293 |
| 2012 | 0.591741 |
| 2011 | 0.592866 |
| 2010 | 0.595147 |
| 2009 | 0.597751 |
| 2008 | 0.598662 |
| 2007 | 0.601556 |
| 2006 | 0.606333 |
| 2005 | 0.604967 |
| 2004 | 0.597841 |
| 2003 | 0.587927 |
| 2002 | 0.575838 |
| 2001 | 0.56232 |
| 2000 | 0.548146 |
| 1999 | 0.533889 |
| 1998 | 0.519615 |
| 1997 | 0.505805 |
| 1996 | 0.49337 |
| 1995 | 0.483381 |
| 1994 | 0.476454 |
| 1993 | 0.472329 |
| 1992 | 0.470027 |
| 1991 | 0.468944 |
| 1990 | 0.468616 |
| 1989 | 0.467531 |
| 1988 | 0.465466 |
| 1987 | 0.46344 |
| 1986 | 0.461282 |
| 1985 | 0.459002 |
| 1984 | 0.457877 |
| 1983 | 0.459086 |
| 1982 | 0.464563 |
| 1981 | 0.473212 |
| 1980 | 0.482482 |
| 1979 | 0.493337 |
| 1978 | 0.506274 |
| 1977 | 0.521833 |
| 1976 | 0.538897 |
| 1975 | 0.55486 |
| 1974 | 0.569258 |
| 1973 | 0.58361 |
| 1972 | 0.598589 |
| 1971 | 0.614755 |
| 1970 | 0.634055 |
| 1969 | 0.657398 |
| 1968 | 0.684408 |
| 1967 | 0.714471 |
| 1966 | 0.746655 |
| 1965 | 0.780194 |
| 1964 | 0.81494 |
| 1963 | 0.851035 |
| 1962 | 0.888538 |
| 1961 | 0.927112 |
| 1960 | 0.96804 |