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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coach screws of iron/steel | $2,694,913 | $2,645,137 | $3,389,844 | $4,657,315 | $6,153,883 | $5,338,073 |
| Wood screws other than coach screws, of iron/steel | $24,956,122 | $28,088,923 | $33,400,120 | $40,895,071 | $34,678,278 | $40,602,696 |
| Screw hooks & screw rings, of iron/steel | $1,677,658 | $1,991,884 | $2,257,858 | $2,735,336 | $2,257,556 | $2,761,827 |
| Self-tapping screws of iron/steel | $36,148,183 | $44,843,859 | $50,787,689 | $61,361,050 | $46,972,771 | $53,635,429 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $190,698,798 | $205,788,980 | $262,860,737 | $277,848,601 | $187,537,229 | $239,820,430 |
| Nuts of iron/steel | $35,579,453 | $39,978,231 | $49,490,258 | $58,094,392 | $38,339,126 | $47,771,974 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $50,306,619 | $55,870,721 | $71,147,545 | $73,950,089 | $50,549,234 | $56,278,531 |
| Spring washers & oth. lock washers, of iron/steel | $18,630,919 | $18,653,028 | $24,576,082 | $24,914,204 | $20,166,695 | $22,776,131 |
| Washers (excl. of 7318.21) of iron/steel | $17,825,911 | $22,297,314 | $25,868,958 | $30,156,089 | $20,554,651 | $27,314,024 |
| Rivets of iron/steel | $19,916,095 | $23,313,898 | $27,031,703 | $25,316,694 | $18,624,330 | $21,755,008 |
| Cotters & cotter-pins, of iron/steel | $3,433,334 | $3,094,089 | $26,401,054 | $14,842,099 | $9,760,281 | $5,744,582 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $32,541,107 | $43,727,314 | $60,030,007 | $65,693,664 | $42,802,936 | $54,112,531 |
| Total | $434,409,112 | $490,293,378 | $637,241,855 | $680,464,604 | $478,396,970 | $577,911,236 |
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