| 年份 | 圭亚那 |
|---|---|
| 2023 | - |
| 2022 | 1.21019 |
| 2021 | 1.22709 |
| 2020 | 1.22943 |
| 2019 | 1.20242 |
| 2018 | 1.1778 |
| 2017 | 1.15611 |
| 2016 | 1.12729 |
| 2015 | 1.09882 |
| 2014 | 1.07277 |
| 2013 | 1.05209 |
| 2012 | 1.03161 |
| 2011 | 1.00577 |
| 2010 | 0.980722 |
| 2009 | 0.958992 |
| 2008 | 0.936232 |
| 2007 | 0.907796 |
| 2006 | 0.871446 |
| 2005 | 0.825031 |
| 2004 | 0.768088 |
| 2003 | 0.707879 |
| 2002 | 0.659641 |
| 2001 | 0.62705 |
| 2000 | 0.607794 |
| 1999 | 0.605039 |
| 1998 | 0.614621 |
| 1997 | 0.632692 |
| 1996 | 0.656336 |
| 1995 | 0.680736 |
| 1994 | 0.70053 |
| 1993 | 0.714759 |
| 1992 | 0.727556 |
| 1991 | 0.733968 |
| 1990 | 0.734323 |
| 1989 | 0.7338 |
| 1988 | 0.730172 |
| 1987 | 0.724114 |
| 1986 | 0.715948 |
| 1985 | 0.705487 |
| 1984 | 0.692657 |
| 1983 | 0.67745 |
| 1982 | 0.661218 |
| 1981 | 0.64628 |
| 1980 | 0.634038 |
| 1979 | 0.625464 |
| 1978 | 0.621515 |
| 1977 | 0.621857 |
| 1976 | 0.625334 |
| 1975 | 0.630593 |
| 1974 | 0.636288 |
| 1973 | 0.642443 |
| 1972 | 0.649292 |
| 1971 | 0.657299 |
| 1970 | 0.658328 |
| 1969 | 0.65326 |
| 1968 | 0.650427 |
| 1967 | 0.6478 |
| 1966 | 0.646178 |
| 1965 | 0.646901 |
| 1964 | 0.64948 |
| 1963 | 0.653196 |
| 1962 | 0.657424 |
| 1961 | 0.66195 |
| 1960 | 0.648507 |