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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $846,545 | $1,233,024 | $1,482,735 | $2,119,406 | $825,364 | $1,035,159 | $1,167,259 |
| Articulated link chain other than roller chain, of iron/steel | $648,520 | $195,468 | $544,692 | $774,720 | $905,792 | $1,293,823 | $1,423,896 |
| Parts of articulated link chain of iron/steel | $81,387 | $161,108 | $106,351 | $85,601 | $192,720 | $286,649 | $145,256 |
| Skid chain of iron/steel | $3,048 | $34,799 | $3,181 | $1,840 | $1,396 | $2,970 | $110 |
| Stud-link chain of iron/steel | $61,314 | $87,614 | $124,781 | $83,190 | $51,803 | $85,078 | $152,075 |
| Welded link chain of iron/steel | $8,644,710 | $9,117,029 | $10,455,112 | $11,042,268 | $5,285,611 | $7,152,418 | $9,589,680 |
| Chain, of iron/steel, n.e.s. in 73.15 | $1,912,891 | $1,833,341 | $1,647,369 | $2,072,472 | $1,141,785 | $1,474,282 | $1,758,018 |
| Parts of chains (excl. articulated link chain), of iron/steel | $750,074 | $541,181 | $745,987 | $1,367,690 | $364,899 | $1,182,425 | $1,056,968 |
| Total | $12,948,489 | $13,203,564 | $15,110,208 | $17,547,187 | $8,769,370 | $12,512,804 | $15,293,262 |
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