| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 1.52494 |
| 2021 | 1.5254 |
| 2020 | 1.50975 |
| 2019 | 1.44748 |
| 2018 | 1.3904 |
| 2017 | 1.34215 |
| 2016 | 1.27937 |
| 2015 | 1.23419 |
| 2014 | 1.20872 |
| 2013 | 1.1984 |
| 2012 | 1.19377 |
| 2011 | 1.18224 |
| 2010 | 1.15959 |
| 2009 | 1.12856 |
| 2008 | 1.09184 |
| 2007 | 1.05405 |
| 2006 | 1.02013 |
| 2005 | 0.99497 |
| 2004 | 0.980183 |
| 2003 | 0.974373 |
| 2002 | 0.98035 |
| 2001 | 0.996129 |
| 2000 | 1.01613 |
| 1999 | 1.03754 |
| 1998 | 1.05729 |
| 1997 | 1.07425 |
| 1996 | 1.08354 |
| 1995 | 1.08126 |
| 1994 | 1.06837 |
| 1993 | 1.0496 |
| 1992 | 1.03073 |
| 1991 | 1.01546 |
| 1990 | 1.00489 |
| 1989 | 1.00133 |
| 1988 | 1.00755 |
| 1987 | 1.02178 |
| 1986 | 1.03948 |
| 1985 | 1.05291 |
| 1984 | 1.05397 |
| 1983 | 1.04042 |
| 1982 | 1.01641 |
| 1981 | 0.988112 |
| 1980 | 0.964807 |
| 1979 | 0.954667 |
| 1978 | 0.956955 |
| 1977 | 0.966553 |
| 1976 | 0.977635 |
| 1975 | 0.984013 |
| 1974 | 0.98119 |
| 1973 | 0.967948 |
| 1972 | 0.946298 |
| 1971 | 0.918875 |
| 1970 | 0.889573 |
| 1969 | 0.861617 |
| 1968 | 0.836713 |
| 1967 | 0.814891 |
| 1966 | 0.795575 |
| 1965 | 0.7792 |
| 1964 | 0.765405 |
| 1963 | 0.754667 |
| 1962 | 0.747811 |
| 1961 | 0.745482 |
| 1960 | 0.745298 |