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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $198,018 | $575,838 | $212,397 | $969,701 | $944,372 | $667,845 | $917,418 |
| Wood screws other than coach screws, of iron/steel | $4,976,115 | $6,709,967 | $6,867,040 | $6,670,561 | $3,678,397 | $5,581,741 | $8,272,490 |
| Screw hooks & screw rings, of iron/steel | $254,137 | $270,533 | $355,117 | $386,506 | $114,896 | $195,229 | $280,629 |
| Self-tapping screws of iron/steel | $4,844,843 | $4,666,396 | $5,821,934 | $6,270,557 | $2,144,198 | $2,544,906 | $4,109,834 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $8,997,404 | $10,780,456 | $16,822,674 | $18,842,708 | $7,865,761 | $11,026,943 | $16,523,847 |
| Nuts of iron/steel | $2,417,902 | $2,704,525 | $3,478,817 | $4,066,602 | $2,202,266 | $2,883,880 | $3,797,305 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $2,640,495 | $6,708,786 | $9,758,380 | $9,396,537 | $3,601,793 | $4,035,763 | $4,695,446 |
| Spring washers & oth. lock washers, of iron/steel | $189,636 | $229,663 | $212,909 | $270,860 | $286,258 | $199,272 | $313,456 |
| Washers (excl. of 7318.21) of iron/steel | $833,101 | $1,220,726 | $1,637,728 | $1,990,657 | $954,027 | $1,192,072 | $1,738,226 |
| Rivets of iron/steel | $928,105 | $1,227,892 | $1,199,593 | $1,278,064 | $613,271 | $800,058 | $1,263,057 |
| Cotters & cotter-pins, of iron/steel | $186,598 | $280,229 | $463,047 | $588,534 | $499,888 | $507,614 | $838,975 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $2,688,555 | $4,001,961 | $7,116,147 | $7,146,336 | $3,408,185 | $6,367,347 | $10,071,335 |
| Total | $29,154,909 | $39,376,972 | $53,945,783 | $57,877,623 | $26,313,312 | $36,002,670 | $52,822,018 |
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