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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $108,856 | $274,477 | $285,790 | $98,999 | $219,084 | $342,462 | $102,846 |
| Articulated link chain other than roller chain, of iron/steel | $79,075 | $103,212 | $207,992 | $379,669 | $127,573 | $235,399 | $160,290 |
| Parts of articulated link chain of iron/steel | $60,088 | $69,455 | $19,347 | $11,824 | $38,187 | $124,310 | $62,233 |
| Skid chain of iron/steel | $4,377 | $398 | $2,764 | $8,560 | $5,155 | $34,169 | $3,669 |
| Stud-link chain of iron/steel | $10,381 | $13,856 | $18,994 | $6,554 | $12,477 | $13,849 | $21,873 |
| Welded link chain of iron/steel | $29,013 | $18,616 | $70,794 | $27,664 | $10,697 | $35,865 | $41,587 |
| Chain, of iron/steel, n.e.s. in 73.15 | $151,129 | $100,140 | $960,297 | $196,934 | $120,792 | $322,837 | $144,778 |
| Parts of chains (excl. articulated link chain), of iron/steel | $19,952 | $52,735 | $13,845 | $256,207 | $30,485 | $25,893 | $33,978 |
| Total | $462,871 | $632,889 | $1,579,823 | $986,411 | $564,450 | $1,134,784 | $571,254 |
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