39 2 the food supply australia is a major exporting country and exports are factor in nation s economy ninety five per cent of domestic needs satisfied by production but economic importance imports much greater than their effect on composition relative to have minor influence products also produced domestically with exception fish seafood 1 some oilseed increasing exotic tropical fruits vegetables that normally imported tending limit 3 beverages processing industry key range choices available number different for purchase increased more tenfold between 1938 1985 4 primarily as result diversity processed looking increasingly export markets development import competitive operations other influences wastage diversions from human consumption storage occurs at all stages chain