| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 5.68283 |
| 2021 | 5.67162 |
| 2020 | 5.71468 |
| 2019 | 5.87838 |
| 2018 | 5.97762 |
| 2017 | 6.04262 |
| 2016 | 6.22595 |
| 2015 | 6.39482 |
| 2014 | 6.53693 |
| 2013 | 6.64614 |
| 2012 | 6.71419 |
| 2011 | 6.74836 |
| 2010 | 6.77274 |
| 2009 | 6.79986 |
| 2008 | 6.83583 |
| 2007 | 6.8759 |
| 2006 | 6.91495 |
| 2005 | 6.94857 |
| 2004 | 6.97533 |
| 2003 | 6.99456 |
| 2002 | 7.00462 |
| 2001 | 7.00507 |
| 2000 | 6.99336 |
| 1999 | 6.96643 |
| 1998 | 6.92108 |
| 1997 | 6.8521 |
| 1996 | 6.75498 |
| 1995 | 6.63096 |
| 1994 | 6.48728 |
| 1993 | 6.33585 |
| 1992 | 6.19132 |
| 1991 | 6.04347 |
| 1990 | 5.91449 |
| 1989 | 5.80627 |
| 1988 | 5.67396 |
| 1987 | 5.50651 |
| 1986 | 5.30191 |
| 1985 | 5.06941 |
| 1984 | 4.82275 |
| 1983 | 4.58142 |
| 1982 | 4.36631 |
| 1981 | 4.19321 |
| 1980 | 4.08473 |
| 1979 | 4.04479 |
| 1978 | 4.05259 |
| 1977 | 4.08908 |
| 1976 | 4.13686 |
| 1975 | 4.1801 |
| 1974 | 4.20898 |
| 1973 | 4.2236 |
| 1972 | 4.23084 |
| 1971 | 4.24116 |
| 1970 | 4.27277 |
| 1969 | 4.33392 |
| 1968 | 4.41851 |
| 1967 | 4.52019 |
| 1966 | 4.63019 |
| 1965 | 4.74107 |
| 1964 | 4.84473 |
| 1963 | 4.93522 |
| 1962 | 5.01093 |
| 1961 | 5.06853 |
| 1960 | 5.0851 |