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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $14,371,969 | $17,975,128 | $23,350,265 | $28,270,276 | $22,365,389 | $24,371,648 | $25,890,221 |
| Wood screws other than coach screws, of iron/steel | $4,496,697 | $6,238,419 | $8,153,445 | $5,535,017 | $4,342,808 | $4,483,968 | $4,312,284 |
| Screw hooks & screw rings, of iron/steel | $492,366 | $523,364 | $851,631 | $788,515 | $518,818 | $487,458 | $638,185 |
| Self-tapping screws of iron/steel | $3,994,705 | $4,496,443 | $5,710,586 | $7,182,837 | $3,746,560 | $8,777,891 | $10,901,834 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $65,721,267 | $90,968,852 | $142,235,453 | $170,942,168 | $111,079,827 | $126,826,337 | $180,526,099 |
| Nuts of iron/steel | $17,299,562 | $21,572,429 | $24,234,464 | $30,168,079 | $15,782,403 | $18,407,693 | $25,486,459 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $29,803,567 | $29,116,898 | $38,511,961 | $41,295,201 | $28,364,379 | $26,831,570 | $36,807,776 |
| Spring washers & oth. lock washers, of iron/steel | $3,570,379 | $3,773,926 | $4,741,849 | $6,393,844 | $3,174,113 | $4,361,824 | $6,148,732 |
| Washers (excl. of 7318.21) of iron/steel | $11,490,829 | $13,083,934 | $14,067,668 | $18,171,367 | $7,973,155 | $9,305,621 | $15,053,813 |
| Rivets of iron/steel | $1,527,134 | $2,389,719 | $2,759,725 | $3,686,853 | $2,429,040 | $2,495,837 | $4,755,580 |
| Cotters & cotter-pins, of iron/steel | $723,934 | $1,072,995 | $1,501,673 | $1,690,118 | $1,376,884 | $1,674,330 | $1,626,392 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $12,542,970 | $15,730,666 | $19,713,000 | $23,771,736 | $12,869,977 | $18,683,101 | $31,333,585 |
| Total | $166,035,379 | $206,942,773 | $285,831,720 | $337,896,011 | $214,023,353 | $246,707,278 | $343,480,960 |
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