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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sheet piling of iron or steel | | $36,771 | $83,503 | $140,795 | $7,557 | $601 |
| Railway or tramway track construction material of iron or steel | $93,773 | $1,037,686 | | $34,158 | $368,231 | $82,470 |
| Tubes, pipes and hollow profiles, of cast iron. | $4,068 | | $31,651 | $1,529 | $109,716 | $99,811 |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $1,920,940 | $3,197,087 | $3,493,589 | $3,109,897 | $3,112,060 | $5,049,252 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | $7,361,261 | $1,783,579 | $25,504 | $2,776,163 | $6,729,456 | $4,538,089 |
| Other tubes, pipes and hollow profiles | $15,945,926 | $22,279,174 | $17,340,028 | $18,102,378 | $19,385,080 | $21,354,151 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $1,405,175 | $2,719,341 | $1,889,760 | $8,709,960 | $13,594,100 | $6,558,748 |
| Structures (excluding prefabricated buildings of heading 94.06) | $30,376,039 | $33,153,881 | $63,607,944 | $101,669,369 | $111,216,222 | $71,211,628 |
| Reservoirs, tanks, vats and similar containers for any material | $1,116,354 | $3,890,391 | $11,114,865 | $5,904,122 | $18,137,341 | $5,643,111 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $4,376,565 | $2,457,434 | $4,972,054 | $6,742,963 | $8,285,027 | $7,211,187 |
| Containers for compressed or liquefied gas, of iron or steel. | $997,753 | $1,389,441 | $6,788,359 | $8,582,271 | $5,120,055 | $4,816,054 |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $553,622 | $756,504 | $1,078,466 | $1,199,715 | $602,162 | $1,422,180 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | $3,185 | | | $30,967 | | |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | $898,048 | $465,166 | $1,230,235 | $2,297,297 | $4,451,082 | $3,613,421 |
| Chain and parts thereof, of iron or steel. | $237,112 | $253,187 | $123,618 | $172,416 | $138,645 | $231,520 |
| Anchors, grapnels and parts thereof, of iron or steel. | $503,543 | $395,817 | $399,966 | $970,998 | $612,648 | $424,104 |
| Nails, tacks, drawing pins, corrugated nails, staples | $217,159 | $214,353 | $30,054 | $361,918 | $72,224 | $102,805 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $1,255,794 | $2,018,718 | $2,972,646 | $4,520,497 | $4,654,669 | $1,493,831 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | $29,098 | $4,823 | $10,198 | $12,838 | $1,832 | $75,748 |
| Springs and leaves for springs, of iron or steel. | $26,935,458 | $32,107,953 | $44,194,012 | $55,010,150 | $30,765,467 | $47,413,069 |
| Stoves, ranges, grates, cookers | $1,160,036 | $1,520,206 | $1,571,490 | $2,271,575 | $1,423,228 | $743,598 |
| Radiators for central heating, not electrically heated, and parts thereof | $5,731 | $798 | $11,847 | $31,538 | $41,665 | $26,574 |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $2,191,433 | $2,865,985 | $3,508,532 | $3,070,124 | $3,993,480 | $2,986,423 |
| Sanitary ware and parts thereof, of iron or steel. | $2,406,597 | $2,894,008 | $2,275,132 | $1,923,850 | $3,078,758 | $1,857,662 |
| Other cast articles of iron or steel. | $979,077 | $1,839,777 | $7,250,173 | $14,065,579 | $7,198,621 | $5,657,900 |
| Other articles of iron or steel. | $29,925,127 | $34,158,823 | $49,901,575 | $73,068,193 | $83,577,781 | $95,209,734 |
| Total | $130,898,874 | $151,440,903 | $223,905,201 | $314,781,260 | $326,677,107 | $287,823,671 |
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