| 輸出 | 輸入 | バランス | |
| 1963 | 37.1 | 96.1 | -59.0 |
| 1964 | 23.5 | 43.6 | -20.1 |
| 1965 | 43.5 | 230.2 | -186.7 |
| 1966 | 90.1 | 427.5 | -337.4 |
| 1967 | 131.7 | 520.5 | -388.8 |
| 1968 | 105.5 | 148.7 | -43.2 |
| 1969 | 113.6 | 225.7 | -112.2 |
| 1970 | 89.2 | 337.8 | -238.6 |
| 1971 | 113.0 | 300.0 | -187.0 |
| 1972 | 90.0 | 531.4 | -421.4 |
| 1973 | 152.0 | 1223.7 | -1071.7 |
| 1974 | 550.0 | 1107.6 | -557.6 |
| 1975 | 550.0 | 311.0 | 239.0 |
| 1976 | 450 | 530 | 80 |
| 1977 | 580 | 500 | 80 |
| 1978 | 700 | 406 | 294 |
| 1979 | 650 | 526 | 124 |
| 1980 | 300 | 510 | -210 |
| 1981 | 300 | 720 | -420 |
| 1982 | 204 | 585 | -381 |
| 1983 | 200 | 350 | -150 |
| 1984 | 200 | 200 | 0 |
| 1985 | 200 | 200 | 0 |
| 1986 | 200 | 270 | -70 |
| 1987 | 225 | 610 | -485 |
| 1988 | 200 | 655 | -455 |
| 1989 | 90 | 664 | -574 |
| 1990 | 0 | 661 | -661 |
(注） 米，小麦，大麦，裸麦，トウモロコシ，小麦粉の合計．
(出所) FAO， Trade Yearbook，各年．