| 年份 | 特立尼达和多巴哥 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 17.8 |
| 2020 | 18.4 |
| 2019 | 19 |
| 2018 | 19.6 |
| 2017 | 20.2 |
| 2016 | 20.8 |
| 2015 | 21.4 |
| 2014 | 22.1 |
| 2013 | 22.7 |
| 2012 | 23.5 |
| 2011 | 24.2 |
| 2010 | 25 |
| 2009 | 25.7 |
| 2008 | 26.4 |
| 2007 | 27.1 |
| 2006 | 27.8 |
| 2005 | 28.4 |
| 2004 | 29.1 |
| 2003 | 29.6 |
| 2002 | 30.1 |
| 2001 | 30.4 |
| 2000 | 30.5 |
| 1999 | 30.6 |
| 1998 | 30.6 |
| 1997 | 30.7 |
| 1996 | 30.8 |
| 1995 | 31 |
| 1994 | 31.2 |
| 1993 | 31.5 |
| 1992 | 31.8 |
| 1991 | 32.3 |
| 1990 | 32.8 |
| 1989 | 33.4 |
| 1988 | 34 |
| 1987 | 34.8 |
| 1986 | 35.6 |
| 1985 | 36.5 |
| 1984 | 37.5 |
| 1983 | 38.5 |
| 1982 | 39.7 |
| 1981 | 41 |
| 1980 | 42.3 |
| 1979 | 43.6 |
| 1978 | 45.1 |
| 1977 | 46.5 |
| 1976 | 48 |
| 1975 | 49.3 |
| 1974 | 50.6 |
| 1973 | 51.9 |
| 1972 | 53 |
| 1971 | 54.1 |
| 1970 | 55.2 |
| 1969 | 56.3 |
| 1968 | 57.4 |
| 1967 | 58.7 |
| 1966 | 60 |
| 1965 | 61.4 |
| 1964 | 63.1 |
| 1963 | 65 |
| 1962 | 67.2 |
| 1961 | 69.4 |
| 1960 | 71.9 |