| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 9.38805 |
| 2021 | 9.48746 |
| 2020 | 9.63748 |
| 2019 | 9.89547 |
| 2018 | 10.1368 |
| 2017 | 10.3159 |
| 2016 | 10.4955 |
| 2015 | 10.6411 |
| 2014 | 10.7511 |
| 2013 | 10.8225 |
| 2012 | 10.8668 |
| 2011 | 10.8962 |
| 2010 | 10.8322 |
| 2009 | 10.6525 |
| 2008 | 10.4173 |
| 2007 | 10.1408 |
| 2006 | 9.8402 |
| 2005 | 9.59131 |
| 2004 | 9.42769 |
| 2003 | 9.32135 |
| 2002 | 9.28482 |
| 2001 | 9.32181 |
| 2000 | 9.42497 |
| 1999 | 9.58172 |
| 1998 | 9.77484 |
| 1997 | 9.98486 |
| 1996 | 10.1982 |
| 1995 | 10.4081 |
| 1994 | 10.6005 |
| 1993 | 10.7673 |
| 1992 | 10.9164 |
| 1991 | 11.0622 |
| 1990 | 11.1888 |
| 1989 | 11.3084 |
| 1988 | 11.4548 |
| 1987 | 11.6249 |
| 1986 | 11.8179 |
| 1985 | 12.0213 |
| 1984 | 12.2142 |
| 1983 | 12.375 |
| 1982 | 12.483 |
| 1981 | 12.5247 |
| 1980 | 12.5239 |
| 1979 | 12.4847 |
| 1978 | 12.3904 |
| 1977 | 12.2417 |
| 1976 | 12.061 |
| 1975 | 11.8844 |
| 1974 | 11.7203 |
| 1973 | 11.5661 |
| 1972 | 11.4278 |
| 1971 | 11.2907 |
| 1970 | 11.1681 |
| 1969 | 11.0538 |
| 1968 | 10.9032 |
| 1967 | 10.7197 |
| 1966 | 10.5057 |
| 1965 | 10.2601 |
| 1964 | 9.98275 |
| 1963 | 9.68742 |
| 1962 | 9.40233 |
| 1961 | 9.14876 |
| 1960 | 8.98792 |