Commodity2005200920102011
Roller chain of iron/steel $702$10,045 
Parts of articulated link chain of iron/steel$24   
Welded link chain of iron/steel   $786
Chain, of iron/steel, n.e.s. in 73.15   $1,346
Parts of chains (excl. articulated link chain), of iron/steel $150  
Total$24$852$10,045$2,132