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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Coach screws of iron/steel | $510,440 | $339,123 | $159,298 | $354,529 | $563,534 |
| Wood screws other than coach screws, of iron/steel | $260,022 | $299,251 | $322,770 | $396,509 | $500,852 |
| Screw hooks & screw rings, of iron/steel | $55,254 | $60,854 | $75,943 | $120,038 | $117,908 |
| Self-tapping screws of iron/steel | $118,900 | $154,185 | $220,148 | $162,871 | $234,371 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $2,918,586 | $3,124,527 | $3,923,651 | $5,554,808 | $4,846,547 |
| Nuts of iron/steel | $652,682 | $766,515 | $880,313 | $1,215,629 | $1,007,592 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $259,417 | $366,372 | $748,580 | $902,997 | $708,906 |
| Spring washers & oth. lock washers, of iron/steel | $139,845 | $107,359 | $186,615 | $175,565 | $139,394 |
| Washers (excl. of 7318.21) of iron/steel | $191,056 | $229,827 | $303,921 | $470,792 | $536,015 |
| Rivets of iron/steel | $30,343 | $42,369 | $63,783 | $53,683 | $78,812 |
| Cotters & cotter-pins, of iron/steel | $106,445 | $147,372 | $228,744 | $331,647 | $280,783 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $187,335 | $214,826 | $222,626 | $289,752 | $393,977 |
| Total | $5,430,325 | $5,852,580 | $7,336,392 | $10,028,820 | $9,408,691 |
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