Commodity2005200620072008200920102011
Roller chain of iron/steel$6,959$5,953$1,165$281  $2,021
Articulated link chain other than roller chain, of iron/steel$684$1,354$906$23,968$2,800$76$474
Parts of articulated link chain of iron/steel  $241$5,042$430  
Skid chain of iron/steel  $2,106    
Welded link chain of iron/steel$517    $40 
Chain, of iron/steel, n.e.s. in 73.15$2,922$794$3,713$64$11,108$29,807$13,043
Parts of chains (excl. articulated link chain), of iron/steel     $53$2,483
Total$11,082$8,101$8,131$29,355$14,338$29,976$18,021