| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 0.877691 |
| 2021 | 0.852565 |
| 2020 | 0.835728 |
| 2019 | 0.818312 |
| 2018 | 0.818179 |
| 2017 | 0.828596 |
| 2016 | 0.825437 |
| 2015 | 0.815481 |
| 2014 | 0.796644 |
| 2013 | 0.772386 |
| 2012 | 0.744924 |
| 2011 | 0.714131 |
| 2010 | 0.686454 |
| 2009 | 0.667054 |
| 2008 | 0.655158 |
| 2007 | 0.650174 |
| 2006 | 0.650689 |
| 2005 | 0.654652 |
| 2004 | 0.658723 |
| 2003 | 0.659363 |
| 2002 | 0.661114 |
| 2001 | 0.662284 |
| 2000 | 0.65536 |
| 1999 | 0.641641 |
| 1998 | 0.624361 |
| 1997 | 0.607487 |
| 1996 | 0.595321 |
| 1995 | 0.589743 |
| 1994 | 0.590278 |
| 1993 | 0.597477 |
| 1992 | 0.611523 |
| 1991 | 0.623406 |
| 1990 | 0.633903 |
| 1989 | 0.644395 |
| 1988 | 0.647122 |
| 1987 | 0.641505 |
| 1986 | 0.629545 |
| 1985 | 0.615665 |
| 1984 | 0.60429 |
| 1983 | 0.597655 |
| 1982 | 0.594618 |
| 1981 | 0.592919 |
| 1980 | 0.590431 |
| 1979 | 0.584997 |
| 1978 | 0.575011 |
| 1977 | 0.561002 |
| 1976 | 0.544229 |
| 1975 | 0.526003 |
| 1974 | 0.507362 |
| 1973 | 0.489415 |
| 1972 | 0.472801 |
| 1971 | 0.458241 |
| 1970 | 0.445071 |
| 1969 | 0.432541 |
| 1968 | 0.421284 |
| 1967 | 0.411534 |
| 1966 | 0.404217 |
| 1965 | 0.400013 |
| 1964 | 0.398944 |
| 1963 | 0.40124 |
| 1962 | 0.406887 |
| 1961 | 0.414119 |
| 1960 | 0.418398 |