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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $1,383,479 | $1,325,262 | $3,210,570 | $2,168,601 | $1,603,638 | $575,275 | $237,488 |
| Towers & lattice masts of iron/steel | $537,536 | $1,844,564 | $989,394 | $2,700,353 | $1,668,767 | $1,538,953 | $1,880,189 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $13,506,937 | $15,006,318 | $21,013,086 | $24,383,002 | $16,988,097 | $14,209,999 | $15,003,180 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $12,413,172 | $17,421,059 | $26,134,075 | $26,336,369 | $10,090,073 | $32,565,442 | $15,625,639 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $54,928,181 | $76,826,641 | $91,798,440 | $119,808,112 | $72,545,952 | $55,674,944 | $69,082,357 |
| Total | $82,769,305 | $112,423,844 | $143,145,565 | $175,396,437 | $102,896,527 | $104,564,613 | $101,828,853 |
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