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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $424,274 | $104,338 | $490,533 | $457,214 | $200,195 | $503,292 |
| Articulated link chain other than roller chain, of iron/steel | $542,525 | $207,437 | $706,761 | $678,565 | $342,671 | $507,752 |
| Parts of articulated link chain of iron/steel | $278,680 | $237,465 | $131,366 | $150,787 | $170,324 | $67,404 |
| Skid chain of iron/steel | $9,123 | $848 | $1,973 | $72,934 | $2,832 | $2,070 |
| Stud-link chain of iron/steel | $7,860 | $42,930 | $30,781 | $28,206 | $53,783 | $94,064 |
| Welded link chain of iron/steel | $195,499 | $126,633 | $207,108 | $101,510 | $263,155 | $187,978 |
| Chain, of iron/steel, n.e.s. in 73.15 | $908,966 | $647,623 | $809,689 | $481,302 | $486,087 | $862,008 |
| Parts of chains (excl. articulated link chain), of iron/steel | $195,028 | $191,512 | $118,943 | $471,151 | $56,878 | $104,110 |
| Total | $2,561,955 | $1,558,786 | $2,497,154 | $2,441,669 | $1,575,925 | $2,328,678 |
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