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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $3,714,760 | $4,993,339 | $4,541,104 | $5,388,520 | $3,482,276 | $7,628,361 | $6,090,362 |
| Wood screws other than coach screws, of iron/steel | $2,011,195 | $1,611,481 | $2,100,558 | $1,290,188 | $910,727 | $721,952 | $645,728 |
| Screw hooks & screw rings, of iron/steel | $4,741,240 | $8,676,189 | $7,406,055 | $6,974,629 | $6,813,588 | $6,398,297 | $3,999,651 |
| Self-tapping screws of iron/steel | $16,519,810 | $15,908,114 | $11,187,315 | $12,837,712 | $8,609,051 | $12,976,268 | $13,823,253 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $133,871,774 | $160,005,417 | $147,717,042 | $148,895,481 | $123,519,482 | $149,583,584 | $206,204,632 |
| Nuts of iron/steel | $9,182,633 | $11,645,361 | $13,036,417 | $15,104,322 | $10,421,384 | $11,331,515 | $18,494,102 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $7,346,799 | $6,756,369 | $13,255,778 | $20,496,427 | $9,887,945 | $11,260,341 | $12,348,663 |
| Spring washers & oth. lock washers, of iron/steel | $768,888 | $2,048,719 | $3,819,101 | $7,500,423 | $2,798,187 | $1,526,841 | $1,978,161 |
| Washers (excl. of 7318.21) of iron/steel | $3,458,424 | $4,265,662 | $4,858,458 | $4,791,529 | $3,352,921 | $4,806,457 | $8,108,395 |
| Rivets of iron/steel | $2,909,853 | $3,688,207 | $5,365,770 | $5,622,212 | $3,639,694 | $5,153,282 | $5,973,026 |
| Cotters & cotter-pins, of iron/steel | $760,310 | $715,818 | $634,828 | $1,217,570 | $879,343 | $1,628,909 | $2,193,362 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $24,723,012 | $9,694,123 | $10,843,303 | $12,929,288 | $13,692,409 | $10,296,595 | $16,217,294 |
| Total | $210,008,698 | $230,008,799 | $224,765,729 | $243,048,301 | $188,007,007 | $223,312,402 | $296,076,629 |
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