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The average yield on 2 billion pounds of 182-day bills maturing on Feb. 19, 2013, was 15.345 percent, up from 15.290 percent at the previous auction on Aug. 9. The range of yields was 15.0-15.392.
On the 3.5 billion pounds of 357-day bills sold, the average yield rose to 15.931 percent from 15.755 percent at the last auction on Aug. 2. The range of yields was 15.80-15.970. The central bank sells the bills on behalf of the finance ministry.