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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $2,402,324 | $193,690 | $241,401 | $1,113,133 | $620,282 | $569,723 | $640,928 |
| Wood screws other than coach screws, of iron/steel | $293,142 | $285,306 | $321,199 | $343,877 | $356,579 | $553,994 | $1,362,235 |
| Screw hooks & screw rings, of iron/steel | $49,517 | $114,974 | $101,909 | $191,010 | $366,681 | $452,265 | $231,369 |
| Self-tapping screws of iron/steel | $2,357,796 | $2,256,048 | $2,699,144 | $4,129,302 | $2,034,033 | $4,609,232 | $5,464,213 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $26,326,354 | $26,934,775 | $34,087,027 | $49,477,701 | $37,747,400 | $49,405,799 | $57,022,334 |
| Nuts of iron/steel | $7,189,777 | $8,079,484 | $9,102,735 | $13,573,827 | $9,563,790 | $14,215,441 | $17,346,951 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $2,101,500 | $2,637,881 | $2,408,893 | $5,251,722 | $2,620,177 | $4,293,992 | $5,308,037 |
| Spring washers & oth. lock washers, of iron/steel | $1,170,407 | $1,700,332 | $3,124,097 | $4,069,836 | $4,732,487 | $5,142,080 | $5,883,087 |
| Washers (excl. of 7318.21) of iron/steel | $2,419,307 | $2,122,134 | $2,605,640 | $4,068,420 | $3,790,721 | $5,077,202 | $5,154,329 |
| Rivets of iron/steel | $598,487 | $781,454 | $798,681 | $953,428 | $758,345 | $1,306,630 | $1,799,821 |
| Cotters & cotter-pins, of iron/steel | $6,997,068 | $8,035,108 | $10,888,083 | $16,316,182 | $19,369,233 | $20,350,957 | $20,669,766 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,244,743 | $1,123,010 | $1,482,703 | $2,140,830 | $1,802,961 | $1,893,241 | $2,011,268 |
| Total | $53,150,422 | $54,264,196 | $67,861,512 | $101,629,268 | $83,762,689 | $107,870,556 | $122,894,338 |
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