| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 9.42377 |
| 2021 | 9.47469 |
| 2020 | 9.53542 |
| 2019 | 9.55714 |
| 2018 | 9.63429 |
| 2017 | 9.77844 |
| 2016 | 9.86195 |
| 2015 | 9.93793 |
| 2014 | 10.0006 |
| 2013 | 10.0538 |
| 2012 | 10.1183 |
| 2011 | 10.2005 |
| 2010 | 10.2993 |
| 2009 | 10.426 |
| 2008 | 10.5803 |
| 2007 | 10.7634 |
| 2006 | 10.9924 |
| 2005 | 11.2796 |
| 2004 | 11.6157 |
| 2003 | 11.9891 |
| 2002 | 12.3032 |
| 2001 | 12.5309 |
| 2000 | 12.7352 |
| 1999 | 12.911 |
| 1998 | 13.0562 |
| 1997 | 13.1718 |
| 1996 | 13.2567 |
| 1995 | 13.2577 |
| 1994 | 13.1575 |
| 1993 | 12.9958 |
| 1992 | 12.781 |
| 1991 | 12.6006 |
| 1990 | 12.4807 |
| 1989 | 12.4009 |
| 1988 | 12.407 |
| 1987 | 12.5077 |
| 1986 | 12.697 |
| 1985 | 12.9427 |
| 1984 | 13.2213 |
| 1983 | 13.5174 |
| 1982 | 13.802 |
| 1981 | 14.0648 |
| 1980 | 14.265 |
| 1979 | 14.4298 |
| 1978 | 14.6318 |
| 1977 | 14.8591 |
| 1976 | 15.0894 |
| 1975 | 15.3252 |
| 1974 | 15.5795 |
| 1973 | 15.8577 |
| 1972 | 16.1751 |
| 1971 | 16.5408 |
| 1970 | 16.8377 |
| 1969 | 17.0383 |
| 1968 | 17.2291 |
| 1967 | 17.4056 |
| 1966 | 17.5702 |
| 1965 | 17.7374 |
| 1964 | 17.9112 |
| 1963 | 18.0907 |
| 1962 | 18.2513 |
| 1961 | 18.3795 |
| 1960 | 18.4768 |