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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $60 | $356 | $513,845 | $551,500 | $121,327 | $304,729 | $422,796 |
| Wood screws other than coach screws, of iron/steel | $205,561 | $39,512 | $95,487 | $21,493 | $31,322 | $41,828 | $49,195 |
| Screw hooks & screw rings, of iron/steel | $118,623 | $76,277 | $120,418 | $70,200 | $96,291 | $18,450 | $16,996 |
| Self-tapping screws of iron/steel | $123,208 | $146,720 | $174,956 | $275,111 | $776,931 | $306,887 | $242,053 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $11,107,534 | $14,943,349 | $15,639,070 | $24,004,117 | $16,197,773 | $24,876,543 | $23,319,422 |
| Nuts of iron/steel | $7,916,796 | $9,467,657 | $9,103,923 | $14,425,609 | $8,479,119 | $15,285,742 | $16,719,071 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $344,019 | $681,484 | $978,513 | $1,174,762 | $1,184,542 | $972,658 | $1,207,986 |
| Spring washers & oth. lock washers, of iron/steel | $1,044,191 | $1,575,258 | $1,609,363 | $2,023,593 | $824,037 | $1,549,167 | $2,168,309 |
| Washers (excl. of 7318.21) of iron/steel | $710,799 | $770,106 | $1,116,238 | $866,465 | $1,126,125 | $1,914,905 | $1,152,893 |
| Rivets of iron/steel | $306,225 | $220,919 | $288,793 | $306,527 | $205,487 | $252,396 | $951,962 |
| Cotters & cotter-pins, of iron/steel | $244,852 | $218,827 | $282,977 | $444,764 | $381,930 | $482,874 | $422,036 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $310,449 | $1,769,605 | $1,825,088 | $1,156,164 | $900,139 | $2,061,387 | $1,650,486 |
| Total | $22,432,317 | $29,910,070 | $31,748,671 | $45,320,305 | $30,325,023 | $48,067,566 | $48,323,205 |
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