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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $1,123,888 | $1,029,696 | $1,303,608 | $1,296,057 | $439,997 | $710,956 | $614,309 |
| Wood screws other than coach screws, of iron/steel | $1,424,050 | $1,962,590 | $2,560,153 | $1,907,287 | $793,750 | $1,482,071 | $762,548 |
| Screw hooks & screw rings, of iron/steel | $129,960 | $132,753 | $214,243 | $121,787 | $61,148 | $65,298 | $81,425 |
| Self-tapping screws of iron/steel | $414,412 | $674,507 | $871,067 | $671,447 | $287,927 | $248,730 | $283,292 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $5,438,215 | $7,667,704 | $6,921,626 | $5,524,553 | $2,238,194 | $3,286,394 | $2,655,968 |
| Nuts of iron/steel | $1,374,546 | $645,168 | $888,412 | $529,615 | $349,346 | $419,674 | $429,375 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $1,217,297 | $1,336,524 | $1,564,460 | $979,048 | $723,497 | $574,319 | $657,123 |
| Spring washers & oth. lock washers, of iron/steel | $136,058 | $142,036 | $165,277 | $128,033 | $92,686 | $108,746 | $117,725 |
| Washers (excl. of 7318.21) of iron/steel | $705,005 | $570,162 | $619,685 | $428,192 | $361,972 | $536,621 | $400,909 |
| Rivets of iron/steel | $82,710 | $77,029 | $78,265 | $70,130 | $31,426 | $44,940 | $106,911 |
| Cotters & cotter-pins, of iron/steel | $330,038 | $355,847 | $353,401 | $222,204 | $161,511 | $363,303 | $178,614 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,503,785 | $907,929 | $1,569,389 | $1,196,042 | $409,727 | $409,559 | $408,713 |
| Total | $13,879,964 | $15,501,945 | $17,109,586 | $13,074,395 | $5,951,181 | $8,250,611 | $6,696,912 |
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