| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 9.56407 |
| 2021 | 9.71914 |
| 2020 | 9.81022 |
| 2019 | 10.056 |
| 2018 | 10.006 |
| 2017 | 9.73004 |
| 2016 | 9.72976 |
| 2015 | 9.65069 |
| 2014 | 9.48586 |
| 2013 | 9.28942 |
| 2012 | 9.01621 |
| 2011 | 8.68866 |
| 2010 | 8.43343 |
| 2009 | 8.26463 |
| 2008 | 8.15187 |
| 2007 | 8.10131 |
| 2006 | 8.11279 |
| 2005 | 8.18071 |
| 2004 | 8.29317 |
| 2003 | 8.43513 |
| 2002 | 8.60159 |
| 2001 | 8.78413 |
| 2000 | 8.96578 |
| 1999 | 9.13153 |
| 1998 | 9.27501 |
| 1997 | 9.404 |
| 1996 | 9.52193 |
| 1995 | 9.63207 |
| 1994 | 9.74538 |
| 1993 | 9.86628 |
| 1992 | 9.98903 |
| 1991 | 10.1209 |
| 1990 | 10.2716 |
| 1989 | 10.4289 |
| 1988 | 10.5706 |
| 1987 | 10.6766 |
| 1986 | 10.7327 |
| 1985 | 10.7306 |
| 1984 | 10.6674 |
| 1983 | 10.5462 |
| 1982 | 10.3632 |
| 1981 | 10.1342 |
| 1980 | 9.94206 |
| 1979 | 9.79164 |
| 1978 | 9.6264 |
| 1977 | 9.46103 |
| 1976 | 9.29328 |
| 1975 | 9.10084 |
| 1974 | 8.88701 |
| 1973 | 8.66125 |
| 1972 | 8.42577 |
| 1971 | 8.18428 |
| 1970 | 7.97339 |
| 1969 | 7.79078 |
| 1968 | 7.60932 |
| 1967 | 7.44597 |
| 1966 | 7.31085 |
| 1965 | 7.21273 |
| 1964 | 7.15971 |
| 1963 | 7.14834 |
| 1962 | 7.16851 |
| 1961 | 7.20621 |
| 1960 | 7.26631 |