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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron or steel | $16,246 | $302,563 | $49,197 | $223,403 | $1,726,588 | $1,509,979 | $590,364 |
| Railway or tramway track construction material of iron or steel | $26,080 | $33,200 | $45,249 | $69,344 | $25,068 | $48,001 | $131,229 |
| Tubes, pipes and hollow profiles, of cast iron. | $12,754 | $69,728 | $29,756 | $96,036 | $311,036 | $175,365 | $105,943 |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $29,319 | $102,005 | $342,661 | $313,548 | $89,421 | $1,913,854 | $535,262 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | $8,744 | $3,406 | $94,284 | $303,956 | $6,946 | $678,911 | $15,118 |
| Other tubes, pipes and hollow profiles | $1,273,717 | $771,640 | $879,720 | $2,966,393 | $4,337,651 | $11,198,291 | $3,967,467 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $5,674 | $1,385 | $139,500 | $215,574 | $655,337 | $611,254 | $370,973 |
| Structures (excluding prefabricated buildings of heading 94.06) | $1,086,361 | $263,895 | $4,107,723 | $2,935,547 | $624,947 | $2,104,870 | $381,103 |
| Reservoirs, tanks, vats and similar containers for any material | $31,916 | $1,515 | $129,803 | $19,971 | $44,203 | $560,369 | $1,738,402 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $34,478 | $267,028 | $444,293 | $539,358 | $296,412 | $2,711,857 | $4,717,706 |
| Containers for compressed or liquefied gas, of iron or steel. | $6,660 | $28,311 | $168,155 | $10,186 | $23,415 | $152,146 | $474,683 |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $119,875 | $132,433 | $83,966 | $679,736 | $70,989 | $118,274 | $199,908 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | $11,938 | $9,393 | $18,566 | $62,299 | $10,139 | $3,717 | $39,630 |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | $6,726 | $1,576 | $12,567 | $88,148 | $45,294 | $81,156 | $43,818 |
| Chain and parts thereof, of iron or steel. | $92,341 | $138,781 | $303,141 | $821,683 | $1,117,589 | $369,763 | $200,800 |
| Anchors, grapnels and parts thereof, of iron or steel. | | | | $3,383 | $108,785 | $3,435 | |
| Nails, tacks, drawing pins, corrugated nails, staples | $1,920,678 | $142,524 | $252,681 | $396,036 | $111,400 | $170,081 | $87,232 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $57,623 | $32,714 | $50,448 | $11,441 | $48,885 | $34,666 | $82,564 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | $49 | $888 | $7,115 | $8,563 | $230 | $718,860 | $13,101 |
| Springs and leaves for springs, of iron or steel. | $28,425 | $25,425 | $13,072 | $191 | $73 | $41,706 | $87,623 |
| Stoves, ranges, grates, cookers | $20,820 | $21,172 | $20,688 | $75,798 | $11,109 | $50,780 | $8,815 |
| Radiators for central heating, not electrically heated, and parts thereof | $23,489 | | $15,873 | $612 | $1,715 | $7,064 | $53,437 |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $259,407 | $58,646 | $52,187 | $158,370 | $76,923 | $481,534 | $2,928,849 |
| Sanitary ware and parts thereof, of iron or steel. | $141,477 | $328 | $15,478 | $22,387 | $204,888 | $2,154 | $52,636 |
| Other cast articles of iron or steel. | $491 | $1,855 | $1,228 | $20,741 | $169,989 | $91,874 | $45,013 |
| Other articles of iron or steel. | $21,235 | $138,170 | $141,014 | $501,329 | $279,314 | $64,434 | $455,446 |
| Total | $5,236,523 | $2,548,581 | $7,418,365 | $10,544,033 | $10,398,346 | $23,904,395 | $17,327,122 |
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