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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $420,448 | $338,452 | $697,337 | $409,047 | $588,601 | $290,892 |
| Articulated link chain other than roller chain, of iron/steel | $575,535 | $523,987 | $573,696 | $618,430 | $709,742 | $594,436 |
| Parts of articulated link chain of iron/steel | $109,650 | $30,070 | $105,444 | $84,326 | $119,148 | $54,293 |
| Skid chain of iron/steel | $687 | $7,914 | $157 | $14,930 | $94 | $95 |
| Stud-link chain of iron/steel | $9,780 | $38,003 | $29,593 | $1,128 | $25,273 | $10,354 |
| Welded link chain of iron/steel | $34,490 | $33,188 | $24,980 | $56,972 | $28,639 | $30,674 |
| Chain, of iron/steel, n.e.s. in 73.15 | $152,394 | $180,725 | $159,932 | $271,571 | $163,589 | $228,019 |
| Parts of chains (excl. articulated link chain), of iron/steel | $81,879 | $64,306 | $77,190 | $116,650 | $42,131 | $54,920 |
| Total | $1,384,863 | $1,216,645 | $1,668,329 | $1,573,054 | $1,677,217 | $1,263,683 |
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