| 年份 | 阿拉伯叙利亚共和国 |
|---|---|
| 2023 | - |
| 2022 | 0.473181 |
| 2021 | 0.472529 |
| 2020 | 0.482116 |
| 2019 | 0.493278 |
| 2018 | 0.5082 |
| 2017 | 0.517595 |
| 2016 | 0.522113 |
| 2015 | 0.521949 |
| 2014 | 0.506494 |
| 2013 | 0.47722 |
| 2012 | 0.450667 |
| 2011 | 0.435677 |
| 2010 | 0.42481 |
| 2009 | 0.413964 |
| 2008 | 0.398807 |
| 2007 | 0.38934 |
| 2006 | 0.389149 |
| 2005 | 0.383889 |
| 2004 | 0.373528 |
| 2003 | 0.363381 |
| 2002 | 0.353916 |
| 2001 | 0.345687 |
| 2000 | 0.339305 |
| 1999 | 0.334949 |
| 1998 | 0.332021 |
| 1997 | 0.330023 |
| 1996 | 0.328515 |
| 1995 | 0.327161 |
| 1994 | 0.325664 |
| 1993 | 0.324007 |
| 1992 | 0.322164 |
| 1991 | 0.320356 |
| 1990 | 0.318964 |
| 1989 | 0.31858 |
| 1988 | 0.319572 |
| 1987 | 0.321713 |
| 1986 | 0.324912 |
| 1985 | 0.329454 |
| 1984 | 0.33514 |
| 1983 | 0.342222 |
| 1982 | 0.352509 |
| 1981 | 0.364301 |
| 1980 | 0.374769 |
| 1979 | 0.384129 |
| 1978 | 0.393148 |
| 1977 | 0.40319 |
| 1976 | 0.414519 |
| 1975 | 0.427018 |
| 1974 | 0.441541 |
| 1973 | 0.45837 |
| 1972 | 0.476824 |
| 1971 | 0.496186 |
| 1970 | 0.516156 |
| 1969 | 0.536571 |
| 1968 | 0.558011 |
| 1967 | 0.58067 |
| 1966 | 0.604181 |
| 1965 | 0.628435 |
| 1964 | 0.653491 |
| 1963 | 0.67964 |
| 1962 | 0.706921 |
| 1961 | 0.734907 |
| 1960 | 0.764542 |