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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $5,395,333 | $7,786,453 | $8,267,768 | $12,793,451 | $6,432,635 | $8,468,656 | $10,670,256 |
| Wood screws other than coach screws, of iron/steel | $48,073,733 | $50,089,186 | $62,586,066 | $53,285,053 | $40,143,655 | $55,796,486 | $60,283,938 |
| Screw hooks & screw rings, of iron/steel | $3,222,563 | $2,843,983 | $4,528,263 | $4,402,925 | $2,627,772 | $4,428,910 | $4,966,172 |
| Self-tapping screws of iron/steel | $93,508,456 | $104,903,043 | $123,005,127 | $115,785,194 | $60,967,340 | $73,210,782 | $87,293,707 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $471,310,759 | $447,906,068 | $573,920,040 | $583,519,873 | $360,096,926 | $441,915,801 | $547,313,025 |
| Nuts of iron/steel | $96,772,686 | $103,687,686 | $148,249,274 | $154,227,950 | $101,514,452 | $120,706,783 | $162,426,796 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $78,689,617 | $77,240,937 | $109,998,954 | $113,355,772 | $89,166,223 | $100,521,989 | $115,648,054 |
| Spring washers & oth. lock washers, of iron/steel | $13,479,560 | $12,239,633 | $15,210,064 | $17,022,618 | $9,898,884 | $10,610,783 | $13,070,282 |
| Washers (excl. of 7318.21) of iron/steel | $29,384,076 | $31,512,509 | $55,459,169 | $58,362,456 | $31,084,889 | $35,776,214 | $46,425,317 |
| Rivets of iron/steel | $19,193,211 | $15,901,863 | $23,952,331 | $15,009,707 | $12,077,250 | $19,484,951 | $15,604,068 |
| Cotters & cotter-pins, of iron/steel | $6,788,832 | $6,886,472 | $13,488,638 | $13,580,298 | $8,163,220 | $11,549,485 | $18,401,718 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $75,746,215 | $87,100,631 | $129,257,785 | $138,167,334 | $84,457,227 | $101,123,694 | $135,087,212 |
| Total | $941,565,041 | $948,098,464 | $1,267,923,479 | $1,279,512,631 | $806,630,473 | $983,594,534 | $1,217,190,545 |
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