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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $9,833,634 | $13,852,007 | $17,569,513 | $21,978,969 | $16,622,973 | $21,301,721 | $23,260,793 |
| Wood screws other than coach screws, of iron/steel | $10,694,448 | $12,150,134 | $12,485,741 | $16,764,553 | $11,544,169 | $14,556,422 | $19,642,399 |
| Screw hooks & screw rings, of iron/steel | $646,127 | $858,395 | $1,697,947 | $2,035,887 | $1,287,989 | $1,679,186 | $2,256,537 |
| Self-tapping screws of iron/steel | $21,605,949 | $22,933,592 | $27,894,452 | $24,324,620 | $17,399,547 | $21,053,369 | $25,526,545 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $175,590,415 | $204,367,221 | $255,255,534 | $278,054,549 | $234,747,160 | $217,010,841 | $303,074,992 |
| Nuts of iron/steel | $39,358,666 | $48,002,489 | $75,757,319 | $73,665,555 | $50,919,859 | $56,765,857 | $71,491,911 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $74,567,981 | $39,267,302 | $37,187,653 | $33,538,606 | $33,495,631 | $41,669,786 | $54,162,073 |
| Spring washers & oth. lock washers, of iron/steel | $10,059,433 | $11,657,461 | $14,035,189 | $15,725,735 | $10,173,963 | $14,233,364 | $18,299,151 |
| Washers (excl. of 7318.21) of iron/steel | $34,293,434 | $47,948,683 | $49,674,459 | $51,395,291 | $34,929,405 | $40,459,771 | $45,587,512 |
| Rivets of iron/steel | $26,789,905 | $22,280,582 | $20,164,179 | $17,025,840 | $11,348,072 | $14,220,557 | $25,148,420 |
| Cotters & cotter-pins, of iron/steel | $6,155,540 | $5,062,681 | $6,619,494 | $6,192,405 | $5,639,404 | $6,455,031 | $7,782,486 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $85,316,184 | $93,600,509 | $111,261,405 | $121,132,799 | $83,731,451 | $113,100,768 | $147,778,239 |
| Total | $494,911,716 | $521,981,056 | $629,602,885 | $661,834,809 | $511,839,623 | $562,506,673 | $744,011,058 |
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