| 年份 | 圭亚那  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 3.52781 | 
| 2021 | 3.4753 | 
| 2020 | 3.40075 | 
| 2019 | 3.25912 | 
| 2018 | 3.15693 | 
| 2017 | 3.08761 | 
| 2016 | 2.97509 | 
| 2015 | 2.88291 | 
| 2014 | 2.80982 | 
| 2013 | 2.75208 | 
| 2012 | 2.69607 | 
| 2011 | 2.61578 | 
| 2010 | 2.50642 | 
| 2009 | 2.38056 | 
| 2008 | 2.24666 | 
| 2007 | 2.1183 | 
| 2006 | 2.01038 | 
| 2005 | 1.93243 | 
| 2004 | 1.88517 | 
| 2003 | 1.86032 | 
| 2002 | 1.85222 | 
| 2001 | 1.85171 | 
| 2000 | 1.84626 | 
| 1999 | 1.83356 | 
| 1998 | 1.81706 | 
| 1997 | 1.80169 | 
| 1996 | 1.79117 | 
| 1995 | 1.78826 | 
| 1994 | 1.79424 | 
| 1993 | 1.80918 | 
| 1992 | 1.83159 | 
| 1991 | 1.86288 | 
| 1990 | 1.90806 | 
| 1989 | 1.95787 | 
| 1988 | 1.99833 | 
| 1987 | 2.02533 | 
| 1986 | 2.03447 | 
| 1985 | 2.02202 | 
| 1984 | 1.98905 | 
| 1983 | 1.9415 | 
| 1982 | 1.88817 | 
| 1981 | 1.84169 | 
| 1980 | 1.81997 | 
| 1979 | 1.83223 | 
| 1978 | 1.87239 | 
| 1977 | 1.92769 | 
| 1976 | 1.98358 | 
| 1975 | 2.02496 | 
| 1974 | 2.03926 | 
| 1973 | 2.02708 | 
| 1972 | 1.99952 | 
| 1971 | 1.96868 | 
| 1970 | 1.94127 | 
| 1969 | 1.92774 | 
| 1968 | 1.93618 | 
| 1967 | 1.96029 | 
| 1966 | 1.99053 | 
| 1965 | 2.0175 | 
| 1964 | 2.03335 | 
| 1963 | 2.03431 | 
| 1962 | 2.02284 | 
| 1961 | 2.00384 | 
| 1960 | 1.9756 |