They point out that rice futures are lightly traded.Outstanding contracts in wheat totalled only 89,000 tonnes at the time of the ban, tiny compared with annual wheat production of 69m tonnes.

• 他们指出大米期货交易量微不足道，在禁令发布时，比起全年6900万吨的小麦产量，小麦期货合同的交易量只有区区89000吨。