| 年份 | 特立尼达和多巴哥 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 14.7 |
| 2020 | 15.2 |
| 2019 | 15.6 |
| 2018 | 16.2 |
| 2017 | 16.7 |
| 2016 | 17.2 |
| 2015 | 17.7 |
| 2014 | 18.3 |
| 2013 | 18.8 |
| 2012 | 19.4 |
| 2011 | 20.1 |
| 2010 | 20.7 |
| 2009 | 21.2 |
| 2008 | 21.9 |
| 2007 | 22.6 |
| 2006 | 23.2 |
| 2005 | 23.8 |
| 2004 | 24.3 |
| 2003 | 24.7 |
| 2002 | 25.2 |
| 2001 | 25.4 |
| 2000 | 25.5 |
| 1999 | 25.6 |
| 1998 | 25.7 |
| 1997 | 25.8 |
| 1996 | 25.9 |
| 1995 | 26.1 |
| 1994 | 26.3 |
| 1993 | 26.6 |
| 1992 | 26.9 |
| 1991 | 27.2 |
| 1990 | 27.7 |
| 1989 | 28.2 |
| 1988 | 28.8 |
| 1987 | 29.4 |
| 1986 | 30.2 |
| 1985 | 31 |
| 1984 | 31.9 |
| 1983 | 32.9 |
| 1982 | 33.9 |
| 1981 | 35 |
| 1980 | 36.2 |
| 1979 | 37.5 |
| 1978 | 38.7 |
| 1977 | 40 |
| 1976 | 41.2 |
| 1975 | 42.4 |
| 1974 | 43.6 |
| 1973 | 44.6 |
| 1972 | 45.8 |
| 1971 | 46.8 |
| 1970 | 47.8 |
| 1969 | 48.8 |
| 1968 | 50 |
| 1967 | 51.1 |
| 1966 | 52.4 |
| 1965 | 53.8 |
| 1964 | 55.4 |
| 1963 | 57.1 |
| 1962 | 58.9 |
| 1961 | 61 |
| 1960 | 63.2 |