| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 27.022 |
| 2021 | 26.897 |
| 2020 | 26.786 |
| 2019 | 26.689 |
| 2018 | 26.606 |
| 2017 | 26.538 |
| 2016 | 26.482 |
| 2015 | 26.441 |
| 2014 | 26.414 |
| 2013 | 26.4 |
| 2012 | 26.4 |
| 2011 | 26.4 |
| 2010 | 26.634 |
| 2009 | 26.869 |
| 2008 | 27.105 |
| 2007 | 27.343 |
| 2006 | 27.582 |
| 2005 | 27.822 |
| 2004 | 28.064 |
| 2003 | 28.307 |
| 2002 | 28.518 |
| 2001 | 28.606 |
| 2000 | 28.694 |
| 1999 | 28.782 |
| 1998 | 28.871 |
| 1997 | 28.959 |
| 1996 | 29.048 |
| 1995 | 29.137 |
| 1994 | 29.226 |
| 1993 | 29.315 |
| 1992 | 29.404 |
| 1991 | 29.493 |
| 1990 | 29.583 |
| 1989 | 29.673 |
| 1988 | 29.763 |
| 1987 | 29.853 |
| 1986 | 29.943 |
| 1985 | 30.033 |
| 1984 | 30.124 |
| 1983 | 30.215 |
| 1982 | 30.305 |
| 1981 | 30.396 |
| 1980 | 30.488 |
| 1979 | 30.405 |
| 1978 | 30.295 |
| 1977 | 30.186 |
| 1976 | 30.076 |
| 1975 | 29.967 |
| 1974 | 29.858 |
| 1973 | 29.75 |
| 1972 | 29.641 |
| 1971 | 29.533 |
| 1970 | 29.425 |
| 1969 | 29.369 |
| 1968 | 29.329 |
| 1967 | 29.289 |
| 1966 | 29.249 |
| 1965 | 29.209 |
| 1964 | 29.169 |
| 1963 | 29.129 |
| 1962 | 29.089 |
| 1961 | 29.049 |
| 1960 | 29.009 |