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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $1,124,834 | $137,229 | $422,113 | $138,584 | $566,187 | $373,946 | $121,804 |
| Wood screws other than coach screws, of iron/steel | $34,919 | $32,667 | $4,144 | $63,700 | | $5,787 | $7,877 |
| Screw hooks & screw rings, of iron/steel | $7,835 | $45,212 | $13,459 | $9,296 | $14,145 | $8,602 | $6,630 |
| Self-tapping screws of iron/steel | $45,316 | $386,379 | $32,759 | $79,835 | $2,537 | $220,735 | $79,637 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $78,867 | $61,660 | $158,978 | $83,069 | $174,462 | $560,184 | $29,535 |
| Nuts of iron/steel | $1,996 | $17,417 | $60,700 | $12,816 | $4,751 | $5,140 | $15,832 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $212,799 | $37,873 | $46,102 | $50,250 | $1,208,808 | $70,213 | $173,542 |
| Spring washers & oth. lock washers, of iron/steel | $862 | $897 | $1,080 | $82,385 | $3,197 | $5,394 | |
| Washers (excl. of 7318.21) of iron/steel | $1,898 | $26,524 | $1,260 | $27,286 | $37,143 | $20,479 | $20,991 |
| Rivets of iron/steel | $1,375 | | $3,127 | $6,423 | $231 | $17,732 | $70 |
| Cotters & cotter-pins, of iron/steel | $336 | $19,862 | $4,987 | $1,712 | $789 | $423 | $2,722 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $126,147 | $9,588 | $67,780 | $74,489 | $139,239 | $56,503 | $32,483 |
| Total | $1,637,184 | $775,308 | $816,489 | $629,845 | $2,151,489 | $1,345,138 | $491,123 |
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