S. currency in circulation world-wide grew at a 7.7% average annual rate primarily due to increases in foreign demand and a demand surge at the end of the decade, she said.

她说，90年代，全球流通中的美元以每年7.7%的速度增加，主要是因为外国需求的增长和上世纪末需求的激增。

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Under a currency board arrangement, the central bank guarantees the redemption of all notes in circulation at a set exchange rate to the dollar or another foreign currency or basket of currencies.

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