(f.o.b., 1990) commodities: cocoa 30%, coffee 20%, tropical woods 11%,

0.201586 5.0148% 1967 2.442177 0.409471 2.5719% 1966 4.860795 0.205728 3.5485% 1965 1.432196 0.698229 2.7360% 1964 0.305478 3.273553 1.5423% 1963 0.324003 3.086387 1.5697% 1962 0.234072 4.272194 2.2421% 1961 0.869089

silt