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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $10,247,177 | $10,756,220 | $10,269,768 | $6,491,758 | $5,820,251 | $9,205,416 | $11,674,544 |
| Wood screws other than coach screws, of iron/steel | $1,714,989 | $1,505,366 | $3,574,011 | $6,349,178 | $8,055,782 | $22,942,186 | $7,323,952 |
| Screw hooks & screw rings, of iron/steel | $634,519 | $593,241 | $1,015,518 | $2,286,310 | $592,848 | $3,241,122 | $1,488,042 |
| Self-tapping screws of iron/steel | $4,774,187 | $4,509,791 | $4,253,240 | $4,789,448 | $8,592,832 | $10,012,719 | $6,374,319 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $105,671,359 | $149,106,867 | $207,747,143 | $222,847,249 | $184,418,956 | $302,952,138 | $270,343,963 |
| Nuts of iron/steel | $35,722,840 | $42,761,651 | $63,353,426 | $57,784,771 | $30,415,513 | $41,482,924 | $57,250,081 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $8,961,306 | $25,105,969 | $42,665,683 | $30,618,307 | $29,909,299 | $50,766,286 | $38,451,927 |
| Spring washers & oth. lock washers, of iron/steel | $220,579 | $244,027 | $271,721 | $772,033 | $594,910 | $1,029,913 | $1,163,310 |
| Washers (excl. of 7318.21) of iron/steel | $2,744,764 | $1,788,825 | $2,060,925 | $2,545,539 | $10,573,622 | $18,118,288 | $8,669,717 |
| Rivets of iron/steel | $489,529 | $384,591 | $1,156,974 | $2,214,150 | $1,535,332 | $1,602,338 | $2,637,183 |
| Cotters & cotter-pins, of iron/steel | $611,774 | $348,191 | $144,810 | $220,984 | $143,675 | $489,353 | $702,603 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $4,460,588 | $3,412,764 | $9,095,743 | $4,741,589 | $4,874,988 | $9,960,589 | $7,007,484 |
| Total | $176,253,611 | $240,517,503 | $345,608,962 | $341,661,316 | $285,528,008 | $471,803,272 | $413,087,125 |
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