Exchange rate of the US dollar against the Kuwaiti dinar up to KD 0.282 while the euro was down to KD 0.368 compared to last Thursday\'s figures, said the Central Bank of Kuwait (CBK) on Sunday.  The exchange rate of the sterling dropped to KD 0.453. The Japanese yen remained unchanged at KD 0.003 and the Swiss franc tood at KD 0.305.