Commodity200520062007200820092010
Natural barium carbonate (witherite), whether or not calcined, other than b ...$17,134,907$27,687,123$29,853,185$41,454,428$32,765,660$51,666,800
Total$17,134,907$27,687,123$29,853,185$41,454,428$32,765,660$51,666,800