Jan. 31 (Bloomberg) -- Exports of copper ore and concentrate from Indonesia declined 44 percent in 2011 from a year earlier to 1.175 million metric tons, according to data released today by the Trade Ministry.

To contact the reporter on this story: Eko Listiyorini in Jakarta at elistiyorini@bloomberg.net

To contact the editor responsible for this story: Greg Ahlstrand at gahlstrand@bloomberg.net