| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 5.45429 |
| 2021 | 5.48388 |
| 2020 | 5.50847 |
| 2019 | 5.51002 |
| 2018 | 5.54955 |
| 2017 | 5.61908 |
| 2016 | 5.64715 |
| 2015 | 5.6672 |
| 2014 | 5.67855 |
| 2013 | 5.68032 |
| 2012 | 5.67509 |
| 2011 | 5.65871 |
| 2010 | 5.62685 |
| 2009 | 5.58197 |
| 2008 | 5.52072 |
| 2007 | 5.43775 |
| 2006 | 5.32875 |
| 2005 | 5.195 |
| 2004 | 5.04393 |
| 2003 | 4.88686 |
| 2002 | 4.73601 |
| 2001 | 4.60513 |
| 2000 | 4.5031 |
| 1999 | 4.42621 |
| 1998 | 4.36323 |
| 1997 | 4.29901 |
| 1996 | 4.21839 |
| 1995 | 4.11252 |
| 1994 | 3.98344 |
| 1993 | 3.84301 |
| 1992 | 3.70901 |
| 1991 | 3.58544 |
| 1990 | 3.46449 |
| 1989 | 3.36483 |
| 1988 | 3.30216 |
| 1987 | 3.26817 |
| 1986 | 3.25274 |
| 1985 | 3.24461 |
| 1984 | 3.2344 |
| 1983 | 3.21982 |
| 1982 | 3.20344 |
| 1981 | 3.1901 |
| 1980 | 3.18711 |
| 1979 | 3.20324 |
| 1978 | 3.24089 |
| 1977 | 3.2941 |
| 1976 | 3.35576 |
| 1975 | 3.41922 |
| 1974 | 3.47819 |
| 1973 | 3.5277 |
| 1972 | 3.56619 |
| 1971 | 3.59019 |
| 1970 | 3.58864 |
| 1969 | 3.56092 |
| 1968 | 3.52119 |
| 1967 | 3.48511 |
| 1966 | 3.4714 |
| 1965 | 3.49876 |
| 1964 | 3.58104 |
| 1963 | 3.71341 |
| 1962 | 3.8738 |
| 1961 | 4.03545 |
| 1960 | 4.15733 |