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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $11,807,302 | $10,596,011 | $12,219,608 | $11,227,040 | $5,127,156 | $6,717,640 | $8,117,454 |
| Articulated link chain other than roller chain, of iron/steel | $1,567,765 | $712,822 | $825,359 | $654,578 | $691,206 | $558,683 | $687,068 |
| Parts of articulated link chain of iron/steel | $631,900 | $486,555 | $252,925 | $190,632 | $142,739 | $492,181 | $760,159 |
| Skid chain of iron/steel | $89,246 | $36,451 | $280 | | $81,415 | $1,882,821 | $564,774 |
| Stud-link chain of iron/steel | $822,072 | $501,605 | $476,072 | $618,007 | $898,048 | $649,711 | $565,323 |
| Welded link chain of iron/steel | $235,165 | $592,295 | $319,068 | $467,432 | $300,923 | $350,632 | $578,989 |
| Chain, of iron/steel, n.e.s. in 73.15 | $1,602,292 | $1,729,098 | $2,164,933 | $1,746,485 | $1,279,955 | $1,973,567 | $2,711,969 |
| Parts of chains (excl. articulated link chain), of iron/steel | $198,167 | $191,873 | $117,323 | $129,666 | $103,195 | $285,326 | $94,882 |
| Total | $16,953,909 | $14,846,710 | $16,375,568 | $15,033,840 | $8,624,637 | $12,910,561 | $14,080,618 |
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