| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 5.27785 |
| 2021 | 5.26304 |
| 2020 | 5.24721 |
| 2019 | 5.19853 |
| 2018 | 5.17718 |
| 2017 | 5.17437 |
| 2016 | 5.12442 |
| 2015 | 5.07355 |
| 2014 | 5.01994 |
| 2013 | 4.95849 |
| 2012 | 4.88323 |
| 2011 | 4.78041 |
| 2010 | 4.64959 |
| 2009 | 4.50268 |
| 2008 | 4.34637 |
| 2007 | 4.19041 |
| 2006 | 4.04558 |
| 2005 | 3.91564 |
| 2004 | 3.79947 |
| 2003 | 3.69285 |
| 2002 | 3.59478 |
| 2001 | 3.49955 |
| 2000 | 3.39595 |
| 1999 | 3.28585 |
| 1998 | 3.17572 |
| 1997 | 3.07219 |
| 1996 | 2.98193 |
| 1995 | 2.91076 |
| 1994 | 2.85955 |
| 1993 | 2.82535 |
| 1992 | 2.80765 |
| 1991 | 2.80012 |
| 1990 | 2.79952 |
| 1989 | 2.80643 |
| 1988 | 2.81502 |
| 1987 | 2.82002 |
| 1986 | 2.81722 |
| 1985 | 2.80616 |
| 1984 | 2.79121 |
| 1983 | 2.77786 |
| 1982 | 2.76986 |
| 1981 | 2.76664 |
| 1980 | 2.76986 |
| 1979 | 2.78356 |
| 1978 | 2.80464 |
| 1977 | 2.82713 |
| 1976 | 2.84441 |
| 1975 | 2.84814 |
| 1974 | 2.83351 |
| 1973 | 2.80432 |
| 1972 | 2.77038 |
| 1971 | 2.74334 |
| 1970 | 2.74014 |
| 1969 | 2.77042 |
| 1968 | 2.8281 |
| 1967 | 2.90071 |
| 1966 | 2.97347 |
| 1965 | 3.03027 |
| 1964 | 3.05782 |
| 1963 | 3.0558 |
| 1962 | 3.03626 |
| 1961 | 3.01446 |
| 1960 | 3.0216 |