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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron or steel | $25,955 | | $950 | | | $18,635 | $14,605 |
| Railway or tramway track construction material of iron or steel | | | $51,007 | $497,722 | $4,077 | $1,139 | $17,328 |
| Tubes, pipes and hollow profiles, of cast iron. | $2,849 | | | $808 | | | |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $18,106 | $1,724 | | $172 | $42,275 | $122,211 | $421,870 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | $8,414 | | $16,273 | | | $8,636 | $12,143 |
| Other tubes, pipes and hollow profiles | $11,757 | $3,723 | $7,616 | $2,078 | $55,265 | $195,879 | $173,112 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $28,448 | $13,337 | $83,517 | $537,335 | $175,898 | $427,599 | $534,221 |
| Structures (excluding prefabricated buildings of heading 94.06) | $138,332 | $166,578 | $442,350 | $4,626,861 | $1,612,145 | $221,274 | $675,423 |
| Reservoirs, tanks, vats and similar containers for any material | $30,539 | $209,116 | $11,198 | $2,017 | $1,163 | $318 | $33,294 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | | $12,202 | $7,867 | $305,930 | $107 | $391,328 | $5,557 |
| Containers for compressed or liquefied gas, of iron or steel. | $6,333 | $5,127 | $57,595 | $78 | $2,317 | $4,126 | |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $296,168 | $392,040 | $355,472 | $262,649 | $100,089 | $69,449 | $236,059 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | | $766 | | | | | |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | | | $3,128 | $39 | | $9,976 | $21,629 |
| Chain and parts thereof, of iron or steel. | $138,542 | $95,850 | $130,237 | $107,450 | $150,402 | $122,947 | $185,198 |
| Anchors, grapnels and parts thereof, of iron or steel. | | | $7,822 | | $5,079 | | |
| Nails, tacks, drawing pins, corrugated nails, staples | $64,264 | $45,227 | $46,872 | $37,683 | $43,339 | $47,322 | $41,430 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $235,356 | $134,970 | $450,079 | $150,524 | $254,030 | $167,471 | $186,562 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | $64 | | $15,394 | | $6,919 | $118 | $4,891 |
| Springs and leaves for springs, of iron or steel. | $592 | $423 | $2,548 | $3,447 | $1,049 | $3,268 | $901 |
| Stoves, ranges, grates, cookers | | $74 | $806 | $9,924 | $4,713 | $6,443 | $2,939 |
| Radiators for central heating, not electrically heated, and parts thereof | $4,211 | | $9,754 | | $110,616 | $29,774 | $2,046 |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $33,253 | $12,556 | $28,137 | $36,509 | $177,397 | $8,740 | $14,156 |
| Sanitary ware and parts thereof, of iron or steel. | $580 | | $1,100 | $4,327 | $7,526 | $36,574 | $868 |
| Other cast articles of iron or steel. | $15 | $2,843 | $140,743 | $14 | $147 | | $1,204 |
| Other articles of iron or steel. | $993,467 | $1,427,511 | $1,822,420 | $5,394,813 | $1,226,260 | $1,310,682 | $1,843,131 |
| Total | $2,037,245 | $2,524,067 | $3,692,885 | $11,980,380 | $3,980,813 | $3,203,909 | $4,428,567 |
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