Commodity200520062007200820092010
Grinding balls & sim. arts. for mills, of iron/steel, forged/stamped but no ...$2,843$154$24,266 $43,218 
Articles of iron/steel, forged/stamped but not furth. wkd., n.e.s.$366$10,866$624$22,356$8,685$3,968
Articles of iron/steel wire$232,507$55,288$122,860$154,641$276,062$933,789
Articles of iron/steel, n.e.s.$185,735$99,597$310,930$246,179$172,329$3,352,173
Total$421,451$165,905$458,680$423,176$500,294$4,289,930