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| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Bridges & bridge-sections of iron/steel | $510,923 | $44,643 | $1,345,644 | $351,977 | $638,846 |
| Towers & lattice masts of iron/steel | $2,138,229 | $445,666 | $101,034 | $2,373,874 | $1,578,146 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $238,498 | $265,612 | $1,161,155 | $2,197,579 | $2,445,011 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $111,500 | $102,186 | $595,713 | $121,292 | $134,257 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $4,965,225 | $17,547,454 | $23,230,199 | $28,847,050 | $14,435,779 |
| Total | $7,964,375 | $18,405,561 | $26,433,745 | $33,891,772 | $19,232,039 |
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