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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $11,504,000 | $13,789,000 | $13,553,000 | $17,490,000 | $20,065,000 | $23,340,168 | $31,891,150 |
| Wood screws other than coach screws, of iron/steel | $111,369,000 | $126,880,000 | $151,936,000 | $157,707,000 | $128,340,000 | $152,880,418 | $177,900,199 |
| Screw hooks & screw rings, of iron/steel | $18,054,000 | $19,922,000 | $18,568,000 | $21,355,000 | $17,723,000 | $19,671,197 | $24,449,161 |
| Self-tapping screws of iron/steel | $246,095,000 | $300,800,000 | $380,760,000 | $401,501,000 | $307,591,000 | $368,940,278 | $444,753,044 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $1,350,175,000 | $1,649,564,000 | $1,976,439,000 | $2,191,270,000 | $1,563,478,000 | $2,046,364,943 | $2,612,017,930 |
| Nuts of iron/steel | $410,078,000 | $481,973,000 | $569,723,000 | $617,773,000 | $438,515,000 | $556,294,978 | $704,580,746 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $179,933,000 | $192,157,000 | $246,852,000 | $284,453,000 | $226,003,000 | $286,627,595 | $365,438,021 |
| Spring washers & oth. lock washers, of iron/steel | $100,427,000 | $109,534,000 | $128,761,000 | $143,856,000 | $103,755,000 | $146,888,692 | $186,065,276 |
| Washers (excl. of 7318.21) of iron/steel | $102,230,000 | $128,285,000 | $165,169,000 | $185,410,000 | $142,370,000 | $185,100,847 | $240,217,619 |
| Rivets of iron/steel | $75,675,000 | $82,426,000 | $100,046,000 | $100,146,000 | $75,466,000 | $93,273,220 | $113,820,856 |
| Cotters & cotter-pins, of iron/steel | $21,423,000 | $27,839,000 | $26,329,000 | $32,454,000 | $20,842,000 | $26,443,357 | $32,484,503 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $292,626,000 | $366,666,000 | $435,570,000 | $485,652,000 | $362,931,000 | $472,853,381 | $645,475,946 |
| Total | $2,919,589,000 | $3,499,835,000 | $4,213,706,000 | $4,639,067,000 | $3,407,079,000 | $4,378,679,074 | $5,579,094,451 |
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