| 年份 | 牙买加 |
|---|---|
| 2023 | - |
| 2022 | 8.59978 |
| 2021 | 8.43949 |
| 2020 | 8.25703 |
| 2019 | 8.05423 |
| 2018 | 7.83584 |
| 2017 | 7.61539 |
| 2016 | 7.38913 |
| 2015 | 7.18301 |
| 2014 | 7.03219 |
| 2013 | 6.93319 |
| 2012 | 6.88225 |
| 2011 | 6.88223 |
| 2010 | 6.89631 |
| 2009 | 6.90175 |
| 2008 | 6.9131 |
| 2007 | 6.92042 |
| 2006 | 6.92647 |
| 2005 | 6.92704 |
| 2004 | 6.90422 |
| 2003 | 6.83205 |
| 2002 | 6.70442 |
| 2001 | 6.58077 |
| 2000 | 6.53234 |
| 1999 | 6.48832 |
| 1998 | 6.43353 |
| 1997 | 6.39847 |
| 1996 | 6.29729 |
| 1995 | 6.085 |
| 1994 | 5.85698 |
| 1993 | 5.64732 |
| 1992 | 5.42649 |
| 1991 | 5.23219 |
| 1990 | 5.05261 |
| 1989 | 4.84052 |
| 1988 | 4.65607 |
| 1987 | 4.57728 |
| 1986 | 4.54434 |
| 1985 | 4.54813 |
| 1984 | 4.65119 |
| 1983 | 4.7785 |
| 1982 | 4.819 |
| 1981 | 4.78806 |
| 1980 | 4.6987 |
| 1979 | 4.55472 |
| 1978 | 4.36361 |
| 1977 | 4.15176 |
| 1976 | 3.96089 |
| 1975 | 3.82477 |
| 1974 | 3.76073 |
| 1973 | 3.7862 |
| 1972 | 3.8822 |
| 1971 | 3.98128 |
| 1970 | 4.05951 |
| 1969 | 4.1171 |
| 1968 | 4.12359 |
| 1967 | 4.08877 |
| 1966 | 4.07067 |
| 1965 | 4.10735 |
| 1964 | 4.18661 |
| 1963 | 4.29553 |
| 1962 | 4.43534 |
| 1961 | 4.58756 |
| 1960 | 4.73939 |