| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 4.97611 |
| 2021 | 5.00628 |
| 2020 | 5.03655 |
| 2019 | 5.01501 |
| 2018 | 5.04119 |
| 2017 | 5.10043 |
| 2016 | 5.08406 |
| 2015 | 5.05878 |
| 2014 | 5.02021 |
| 2013 | 4.96476 |
| 2012 | 4.89065 |
| 2011 | 4.78223 |
| 2010 | 4.63945 |
| 2009 | 4.47975 |
| 2008 | 4.31345 |
| 2007 | 4.15398 |
| 2006 | 4.01375 |
| 2005 | 3.89876 |
| 2004 | 3.80576 |
| 2003 | 3.72499 |
| 2002 | 3.64995 |
| 2001 | 3.568 |
| 2000 | 3.46412 |
| 1999 | 3.34021 |
| 1998 | 3.20743 |
| 1997 | 3.08164 |
| 1996 | 2.97807 |
| 1995 | 2.90543 |
| 1994 | 2.86516 |
| 1993 | 2.85014 |
| 1992 | 2.84984 |
| 1991 | 2.84601 |
| 1990 | 2.82774 |
| 1989 | 2.80468 |
| 1988 | 2.78321 |
| 1987 | 2.76329 |
| 1986 | 2.74763 |
| 1985 | 2.74093 |
| 1984 | 2.74782 |
| 1983 | 2.76993 |
| 1982 | 2.8053 |
| 1981 | 2.84945 |
| 1980 | 2.89753 |
| 1979 | 2.94358 |
| 1978 | 2.98168 |
| 1977 | 3.0103 |
| 1976 | 3.02517 |
| 1975 | 3.02084 |
| 1974 | 2.99728 |
| 1973 | 2.96115 |
| 1972 | 2.9241 |
| 1971 | 2.90078 |
| 1970 | 2.90564 |
| 1969 | 2.95201 |
| 1968 | 3.03843 |
| 1967 | 3.14642 |
| 1966 | 3.25507 |
| 1965 | 3.34141 |
| 1964 | 3.38756 |
| 1963 | 3.39261 |
| 1962 | 3.37078 |
| 1961 | 3.34207 |
| 1960 | 3.32404 |