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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron or steel | $176,611 | $715,023 | $345,555 | $578,632 | $764,110 | $1,018,077 | $579,727 |
| Railway or tramway track construction material of iron or steel | $29,255 | $59,657 | $62,141 | | $1,756 | $64,652 | $82,181 |
| Tubes, pipes and hollow profiles, of cast iron. | $14,209,226 | $19,030,229 | $8,584,084 | $6,836,364 | $1,134,203 | $720,548 | $1,459,641 |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $2,108,425 | $1,494,832 | $1,579,989 | $5,326,233 | $20,954,023 | $25,860,442 | $5,113,437 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | $102,180 | $28,101 | $31,495 | $391,526 | $311,970 | $100,508 | $4,104,531 |
| Other tubes, pipes and hollow profiles | $168,154 | $635,212 | $210,779 | $177,515 | $789,981 | $694,182 | $240,356 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $893,683 | $1,286,413 | $3,894,932 | $5,525,192 | $3,602,677 | $1,936,154 | $5,426,351 |
| Structures (excluding prefabricated buildings of heading 94.06) | $7,595,607 | $13,567,134 | $31,514,930 | $55,934,380 | $14,122,660 | $10,320,542 | $24,945,962 |
| Reservoirs, tanks, vats and similar containers for any material | $241,364 | $5,219,731 | $7,365,299 | $31,636,742 | $3,647,340 | $616,295 | $1,892,192 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $176,292 | $291,458 | $729,433 | $1,186,503 | $344,975 | $225,098 | $710,748 |
| Containers for compressed or liquefied gas, of iron or steel. | $140,266 | $123,082 | $117,162 | $83,066 | $55,370 | $46,678 | $33,415 |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $981,796 | $118,026 | $6,734 | $457,467 | $28,670 | $19,723 | $64,441 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | | $14,348 | $25,516 | $6,981 | | $2,465 | $101 |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | $715,814 | $1,140,165 | $1,444,474 | $3,963,854 | $3,174,399 | $3,589,770 | $3,965,300 |
| Chain and parts thereof, of iron or steel. | $7,461 | $7,351 | $33,253 | $33,537 | $167,814 | $34,293 | $37,880 |
| Anchors, grapnels and parts thereof, of iron or steel. | $577,866 | $89,917 | $983,530 | $679,087 | $8,918 | $118,484 | $65,552 |
| Nails, tacks, drawing pins, corrugated nails, staples | | $25,601 | $31,886 | $58,673 | $98,311 | $48,090 | $287,088 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $390,173 | $253,608 | $862,023 | $580,518 | $416,331 | $543,103 | $640,695 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | | $2,691 | $14,168 | $27,875 | $24,210 | $21,633 | $43,074 |
| Springs and leaves for springs, of iron or steel. | $484 | | | | $872 | | $98 |
| Stoves, ranges, grates, cookers | $54,391 | $644 | | $251,513 | $126,854 | $88,753 | $234,080 |
| Radiators for central heating, not electrically heated, and parts thereof | $66 | | $4,114 | $4,114 | $1,971 | $843 | $527 |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $123,702 | $291,816 | $570,857 | $649,576 | $379,276 | $1,738,301 | $795,579 |
| Sanitary ware and parts thereof, of iron or steel. | $20,894 | $25,219 | $27,776 | $120,569 | $53,585 | $131,838 | $350,755 |
| Other cast articles of iron or steel. | $356,986 | $283,539 | $301,625 | $48,891 | $38,641 | $439,282 | $126,270 |
| Other articles of iron or steel. | $461,972 | $2,036,228 | $1,920,476 | $7,006,522 | $3,477,595 | $13,321,545 | $1,988,529 |
| Total | $29,532,668 | $46,740,025 | $60,662,231 | $121,565,330 | $53,726,512 | $61,701,299 | $53,188,510 |
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