Commodity2005200620072008200920102011
Roller chain of iron/steel$374,900$397,000$212,800$209,100$327,100$220,700$294,700
Articulated link chain other than roller chain, of iron/steel$336,400$372,500$219,400$97,600$87,900$124,700$150,200
Parts of articulated link chain of iron/steel$85,500$700$6,800$800$500$3,300$7,700
Skid chain of iron/steel   $800  $24,700
Stud-link chain of iron/steel$2,300$8,400 $15,400$800$2,600 
Welded link chain of iron/steel$37,000$61,400$83,800$119,500$44,200$214,600$98,100
Chain, of iron/steel, n.e.s. in 73.15$68,700$21,600$90,900$109,100$78,200$107,000$236,000
Parts of chains (excl. articulated link chain), of iron/steel$3,900$14,400$124,700$24,000$90,200$109,200$107,500
Total$908,700$876,000$738,400$576,300$628,900$782,100$918,900