| 年份 | 伯利兹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 6.353 |
| 2020 | 5.244 |
| 2019 | 4.727 |
| 2018 | 4.74 |
| 2017 | 4.712 |
| 2016 | 4.695 |
| 2015 | 4.7 |
| 2014 | 4.584 |
| 2013 | 4.388 |
| 2012 | 4.457 |
| 2011 | 4.591 |
| 2010 | 4.66 |
| 2009 | 4.752 |
| 2008 | 4.935 |
| 2007 | 5.067 |
| 2006 | 5.245 |
| 2005 | 5.51 |
| 2004 | 5.552 |
| 2003 | 5.678 |
| 2002 | 5.755 |
| 2001 | 5.936 |
| 2000 | 5.858 |
| 1999 | 5.781 |
| 1998 | 5.863 |
| 1997 | 5.631 |
| 1996 | 5.42 |
| 1995 | 5.448 |
| 1994 | 5.362 |
| 1993 | 5.599 |
| 1992 | 5.718 |
| 1991 | 5.673 |
| 1990 | 5.555 |
| 1989 | 5.59 |
| 1988 | 5.594 |
| 1987 | 5.821 |
| 1986 | 6.04 |
| 1985 | 6.177 |
| 1984 | 6.531 |
| 1983 | 6.796 |
| 1982 | 6.937 |
| 1981 | 6.926 |
| 1980 | 7.092 |
| 1979 | 7.259 |
| 1978 | 7.48 |
| 1977 | 7.629 |
| 1976 | 7.731 |
| 1975 | 7.861 |
| 1974 | 8.222 |
| 1973 | 8.385 |
| 1972 | 8.462 |
| 1971 | 8.575 |
| 1970 | 8.92 |
| 1969 | 9.375 |
| 1968 | 9.757 |
| 1967 | 10.186 |
| 1966 | 10.543 |
| 1965 | 10.801 |
| 1964 | 11.168 |
| 1963 | 11.478 |
| 1962 | 11.823 |
| 1961 | 15.079 |
| 1960 | 12.329 |