GHANA'S central bank kept its main interest rate at 30.00% as forecast by a Reuters poll of analysts, citing lower inflation, a stable exchange rate and relatively strong economic growth. Bank of Ghana Governor Ernest Addison said recent data suggested growth was more robust than expected, projecting GDP would expand by some 3% this year, compared with an International Monetary Fund (IMF) forecast of 1.6%. "The consensus view of the Monetary Policy Committee is that we should see stronger growth than projected under the (IMF) programme," he told reporters, referring to a $3 billion support package from the Fund that is…