| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 9.66521 |
| 2021 | 9.67774 |
| 2020 | 9.7175 |
| 2019 | 9.65669 |
| 2018 | 9.80455 |
| 2017 | 10.0857 |
| 2016 | 10.1575 |
| 2015 | 10.2781 |
| 2014 | 10.4366 |
| 2013 | 10.6208 |
| 2012 | 10.8814 |
| 2011 | 11.2006 |
| 2010 | 11.4842 |
| 2009 | 11.7113 |
| 2008 | 11.877 |
| 2007 | 11.9863 |
| 2006 | 12.0432 |
| 2005 | 11.9898 |
| 2004 | 11.8226 |
| 2003 | 11.6012 |
| 2002 | 11.3471 |
| 2001 | 11.079 |
| 2000 | 10.8673 |
| 1999 | 10.7436 |
| 1998 | 10.6775 |
| 1997 | 10.6749 |
| 1996 | 10.7389 |
| 1995 | 10.8677 |
| 1994 | 11.0496 |
| 1993 | 11.2668 |
| 1992 | 11.4992 |
| 1991 | 11.7201 |
| 1990 | 11.8996 |
| 1989 | 12.0415 |
| 1988 | 12.1737 |
| 1987 | 12.3111 |
| 1986 | 12.4595 |
| 1985 | 12.6252 |
| 1984 | 12.8188 |
| 1983 | 13.0423 |
| 1982 | 13.3034 |
| 1981 | 13.6074 |
| 1980 | 13.9143 |
| 1979 | 14.1796 |
| 1978 | 14.3877 |
| 1977 | 14.5255 |
| 1976 | 14.591 |
| 1975 | 14.5955 |
| 1974 | 14.553 |
| 1973 | 14.4772 |
| 1972 | 14.3607 |
| 1971 | 14.2155 |
| 1970 | 14.1124 |
| 1969 | 14.0575 |
| 1968 | 14.0054 |
| 1967 | 13.9615 |
| 1966 | 13.9069 |
| 1965 | 13.7987 |
| 1964 | 13.627 |
| 1963 | 13.3965 |
| 1962 | 13.1145 |
| 1961 | 12.7921 |
| 1960 | 12.4851 |