Having previously exported only coal produced by its shareholders, it began opening up in 2003, setting aside an annual 4m tonnes of export capacity for smaller firms.
Another 15 big international diamond firms also have operations in Botswana, the world's largest diamond producer.Until recently Botswana, a country of 1.8m people that produces 27% of the world's diamonds by value, exported only rough stones.
In 2000 it exported some 47,000 tonnes of the stuff; by 2010 it exported only about 30,000 tonnes.
(Oil was discovered in Sudan, by Chevron, in the nineteen-seventies, but it has been exported only since 1999).
It added: "Scottish employers tend to circumvent rather than address language skill needs by exporting only to Anglophone countries or those where they can easily find English speakers".
By comparison, the United States exports only $6.5 million worth of wine to France, slightly more than 1percentt of the $527 million in total American wine exports.
Pakistan is now likely to fail to meet its mango export target of 150,000 tons by September, instead managing to export only 100,000 tons.
It will export only a tiny fraction of the natural gas that is consumed by Americans.
With a sharp drop in exports only partially redressed by a stimulus-funded drive at boosting domestic consumption, it appears that China is building up an oil reserve in anticipation that this commodity will eventually rise greatly in price, simultaneously with the future depreciation of the American dollar.
The senator's office says the industry's safety alarms are false, because his measure would permit exports only from factories approved by the Food and Drug Administration and would assure high-quality imports by setting up a new registration procedure for pharmacies and wholesalers.
