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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $277,394 | $267,471 | $363,236 | $348,827 | $540,318 | $1,067,775 | $1,922,312 |
| Wood screws other than coach screws, of iron/steel | $8,826,257 | $11,379,365 | $17,503,584 | $15,257,424 | $14,419,917 | $15,628,297 | $16,605,060 |
| Screw hooks & screw rings, of iron/steel | $2,676,821 | $2,546,536 | $2,066,492 | $2,279,357 | $1,812,834 | $2,352,080 | $3,132,490 |
| Self-tapping screws of iron/steel | $27,199,343 | $35,530,971 | $39,154,116 | $42,795,067 | $27,010,895 | $32,835,822 | $44,190,408 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $164,541,739 | $217,789,021 | $291,322,088 | $319,079,336 | $210,766,702 | $259,233,474 | $332,320,871 |
| Nuts of iron/steel | $58,533,640 | $72,903,204 | $89,136,620 | $102,683,188 | $74,884,204 | $88,068,236 | $112,286,809 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $35,092,884 | $34,940,528 | $43,831,920 | $50,183,729 | $32,236,835 | $35,030,421 | $39,227,550 |
| Spring washers & oth. lock washers, of iron/steel | $10,735,069 | $14,373,440 | $19,476,497 | $21,530,618 | $13,302,755 | $19,215,747 | $22,267,996 |
| Washers (excl. of 7318.21) of iron/steel | $55,526,272 | $48,925,828 | $56,115,331 | $57,901,902 | $37,655,777 | $46,985,167 | $57,093,129 |
| Rivets of iron/steel | $15,788,048 | $17,703,356 | $19,334,743 | $21,112,273 | $17,544,668 | $18,744,684 | $22,683,311 |
| Cotters & cotter-pins, of iron/steel | $3,585,339 | $4,157,629 | $4,969,511 | $5,517,182 | $4,117,948 | $4,472,693 | $5,412,426 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $49,322,944 | $59,719,479 | $80,845,806 | $99,708,849 | $77,214,610 | $86,687,381 | $107,491,437 |
| Total | $432,105,750 | $520,236,828 | $664,119,944 | $738,397,752 | $511,507,463 | $610,321,777 | $764,633,799 |
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