| 年份 | 牙买加 |
|---|---|
| 2023 | - |
| 2022 | 8.27338 |
| 2021 | 8.12515 |
| 2020 | 7.95278 |
| 2019 | 7.75879 |
| 2018 | 7.55188 |
| 2017 | 7.34861 |
| 2016 | 7.14628 |
| 2015 | 6.97099 |
| 2014 | 6.85745 |
| 2013 | 6.80161 |
| 2012 | 6.79907 |
| 2011 | 6.85245 |
| 2010 | 6.92385 |
| 2009 | 6.98859 |
| 2008 | 7.05834 |
| 2007 | 7.12186 |
| 2006 | 7.18053 |
| 2005 | 7.22799 |
| 2004 | 7.24467 |
| 2003 | 7.20471 |
| 2002 | 7.10389 |
| 2001 | 6.9994 |
| 2000 | 6.96143 |
| 1999 | 6.92165 |
| 1998 | 6.86005 |
| 1997 | 6.80374 |
| 1996 | 6.67148 |
| 1995 | 6.42208 |
| 1994 | 6.15203 |
| 1993 | 5.89859 |
| 1992 | 5.63148 |
| 1991 | 5.40078 |
| 1990 | 5.1948 |
| 1989 | 4.96355 |
| 1988 | 4.7624 |
| 1987 | 4.65273 |
| 1986 | 4.57858 |
| 1985 | 4.53197 |
| 1984 | 4.56131 |
| 1983 | 4.60158 |
| 1982 | 4.57226 |
| 1981 | 4.49505 |
| 1980 | 4.38695 |
| 1979 | 4.25612 |
| 1978 | 4.11025 |
| 1977 | 3.96725 |
| 1976 | 3.8521 |
| 1975 | 3.7844 |
| 1974 | 3.77283 |
| 1973 | 3.82769 |
| 1972 | 3.93622 |
| 1971 | 4.05231 |
| 1970 | 4.16801 |
| 1969 | 4.28341 |
| 1968 | 4.36691 |
| 1967 | 4.42696 |
| 1966 | 4.512 |
| 1965 | 4.6493 |
| 1964 | 4.82949 |
| 1963 | 5.04661 |
| 1962 | 5.29431 |
| 1961 | 5.54387 |
| 1960 | 5.7801 |