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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $958,233 | $1,375,715 | $1,473,160 | $1,672,481 | $1,217,079 | $946,012 | $1,549,435 |
| Articulated link chain other than roller chain, of iron/steel | $475,099 | $594,139 | $511,176 | $735,255 | $385,949 | $600,334 | $632,815 |
| Parts of articulated link chain of iron/steel | $77,890 | $200,100 | $60,471 | $201,107 | $97,098 | $85,774 | $183,144 |
| Skid chain of iron/steel | $359,981 | $492,353 | $530,218 | $550,818 | $759,392 | $2,375,547 | $3,379,931 |
| Stud-link chain of iron/steel | $18,702 | $15,227 | $32,620 | $21,269 | $66,810 | $32,759 | $91,334 |
| Welded link chain of iron/steel | $234,574 | $368,261 | $571,633 | $579,903 | $643,332 | $511,330 | $552,588 |
| Chain, of iron/steel, n.e.s. in 73.15 | $603,514 | $728,999 | $1,403,380 | $1,739,399 | $1,356,986 | $806,631 | $1,441,991 |
| Parts of chains (excl. articulated link chain), of iron/steel | $267,452 | $495,776 | $586,042 | $871,179 | $417,490 | $520,276 | $465,484 |
| Total | $2,995,445 | $4,270,570 | $5,168,700 | $6,371,411 | $4,944,136 | $5,878,663 | $8,296,722 |
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