| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 1.87792 |
| 2021 | 1.83267 |
| 2020 | 1.77841 |
| 2019 | 1.69721 |
| 2018 | 1.62789 |
| 2017 | 1.56935 |
| 2016 | 1.49892 |
| 2015 | 1.44141 |
| 2014 | 1.39814 |
| 2013 | 1.36588 |
| 2012 | 1.34325 |
| 2011 | 1.32674 |
| 2010 | 1.31308 |
| 2009 | 1.3003 |
| 2008 | 1.28397 |
| 2007 | 1.26098 |
| 2006 | 1.22912 |
| 2005 | 1.18835 |
| 2004 | 1.14314 |
| 2003 | 1.10202 |
| 2002 | 1.07829 |
| 2001 | 1.08161 |
| 2000 | 1.11416 |
| 1999 | 1.17117 |
| 1998 | 1.23727 |
| 1997 | 1.29449 |
| 1996 | 1.32573 |
| 1995 | 1.31736 |
| 1994 | 1.26953 |
| 1993 | 1.19666 |
| 1992 | 1.11777 |
| 1991 | 1.05029 |
| 1990 | 1.01266 |
| 1989 | 1.00896 |
| 1988 | 1.02681 |
| 1987 | 1.05451 |
| 1986 | 1.08192 |
| 1985 | 1.10001 |
| 1984 | 1.10232 |
| 1983 | 1.09004 |
| 1982 | 1.06851 |
| 1981 | 1.04395 |
| 1980 | 1.0299 |
| 1979 | 1.03218 |
| 1978 | 1.04491 |
| 1977 | 1.06296 |
| 1976 | 1.08039 |
| 1975 | 1.0913 |
| 1974 | 1.09194 |
| 1973 | 1.08169 |
| 1972 | 1.06323 |
| 1971 | 1.04128 |
| 1970 | 1.02228 |
| 1969 | 1.01122 |
| 1968 | 1.00781 |
| 1967 | 1.01103 |
| 1966 | 1.01901 |
| 1965 | 1.02869 |
| 1964 | 1.03757 |
| 1963 | 1.04463 |
| 1962 | 1.05112 |
| 1961 | 1.05912 |
| 1960 | 1.05934 |