| 年份 | 牙买加 |
|---|---|
| 2023 | - |
| 2022 | 4.12981 |
| 2021 | 4.02177 |
| 2020 | 3.8333 |
| 2019 | 3.62569 |
| 2018 | 3.42941 |
| 2017 | 3.22917 |
| 2016 | 3.06837 |
| 2015 | 2.93764 |
| 2014 | 2.7846 |
| 2013 | 2.6467 |
| 2012 | 2.57828 |
| 2011 | 2.54037 |
| 2010 | 2.52695 |
| 2009 | 2.58164 |
| 2008 | 2.6527 |
| 2007 | 2.67305 |
| 2006 | 2.65684 |
| 2005 | 2.60604 |
| 2004 | 2.52312 |
| 2003 | 2.41241 |
| 2002 | 2.28791 |
| 2001 | 2.17469 |
| 2000 | 2.09289 |
| 1999 | 2.05416 |
| 1998 | 2.0707 |
| 1997 | 2.12988 |
| 1996 | 2.1912 |
| 1995 | 2.22672 |
| 1994 | 2.23418 |
| 1993 | 2.20772 |
| 1992 | 2.15237 |
| 1991 | 2.09531 |
| 1990 | 2.05862 |
| 1989 | 2.04385 |
| 1988 | 2.04608 |
| 1987 | 2.0669 |
| 1986 | 2.09585 |
| 1985 | 2.12519 |
| 1984 | 2.15881 |
| 1983 | 2.19977 |
| 1982 | 2.24608 |
| 1981 | 2.30396 |
| 1980 | 2.38131 |
| 1979 | 2.48048 |
| 1978 | 2.60371 |
| 1977 | 2.73823 |
| 1976 | 2.84835 |
| 1975 | 2.9098 |
| 1974 | 2.91715 |
| 1973 | 2.86157 |
| 1972 | 2.76348 |
| 1971 | 2.68142 |
| 1970 | 2.65708 |
| 1969 | 2.69107 |
| 1968 | 2.78411 |
| 1967 | 2.91457 |
| 1966 | 3.01784 |
| 1965 | 3.05031 |
| 1964 | 3.01322 |
| 1963 | 2.90728 |
| 1962 | 2.74582 |
| 1961 | 2.5808 |
| 1960 | 2.453 |