Commodity20052006200720092011
Grinding balls & sim. arts. for mills, of iron/steel, forged/stamped but no ... $28,237$1,058$12,364 
Articles of iron/steel, forged/stamped but not furth. wkd., n.e.s.$128,166$80,636$86,675$705,966$210,912
Articles of iron/steel wire$53,273$146,106$368,675$372,229$369,803
Articles of iron/steel, n.e.s.$767,592$1,161,953$2,694,605$2,014,196$1,999,072
Total$949,031$1,416,932$3,151,013$3,104,755$2,579,787