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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $3,754 | | | $7,858 | $59,817 | $126,996 | $805,019 |
| Wood screws other than coach screws, of iron/steel | $14,574,478 | $16,578,116 | $20,173,091 | $24,588,850 | $16,511,188 | $23,918,264 | $29,066,762 |
| Screw hooks & screw rings, of iron/steel | $69,607 | $273,399 | $553,387 | $513,775 | $257,473 | $102,387 | $206,246 |
| Self-tapping screws of iron/steel | $3,024,357 | $3,566,630 | $8,437,860 | $14,118,939 | $7,587,284 | $5,404,027 | $7,327,641 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $30,980,419 | $32,578,222 | $62,585,199 | $68,009,969 | $52,802,669 | $60,909,534 | $68,898,980 |
| Nuts of iron/steel | $4,100,935 | $3,492,752 | $8,079,843 | $13,353,388 | $9,342,943 | $9,784,277 | $13,297,370 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $12,416,656 | $19,443,719 | $28,894,278 | $41,957,838 | $23,452,175 | $19,540,403 | $32,317,359 |
| Spring washers & oth. lock washers, of iron/steel | $421,314 | $1,207,937 | $2,551,505 | $3,322,853 | $1,623,163 | $1,950,802 | $1,534,426 |
| Washers (excl. of 7318.21) of iron/steel | $2,873,265 | $3,591,644 | $5,499,783 | $7,547,078 | $6,218,553 | $5,725,366 | $6,373,493 |
| Rivets of iron/steel | $366,420 | $380,754 | $555,826 | $573,475 | $362,890 | $356,893 | $423,760 |
| Cotters & cotter-pins, of iron/steel | $81,641 | $104,704 | $561,289 | $590,289 | $414,664 | $552,757 | $621,869 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $5,099,171 | $9,481,085 | $15,620,809 | $15,374,196 | $9,134,027 | $12,908,224 | $15,533,103 |
| Total | $74,012,017 | $90,698,962 | $153,512,870 | $189,958,508 | $127,766,846 | $141,279,930 | $176,406,028 |
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