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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $715,000 | $47,000 | $2,686,000 | $13,436,000 | $5,990,000 | $4,099,000 | $229,000 |
| Towers & lattice masts of iron/steel | $9,289,000 | $561,000 | $18,139,000 | $22,929,000 | $10,105,000 | $11,128,000 | $17,652,000 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $8,271,000 | $9,525,000 | $11,007,000 | $15,412,000 | $12,094,000 | $10,650,000 | $12,028,000 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $414,000 | $524,000 | $1,566,000 | $7,055,000 | $2,207,000 | $1,220,000 | $2,105,000 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $71,158,000 | $144,413,000 | $103,159,000 | $80,147,000 | $33,045,000 | $27,122,000 | $39,365,000 |
| Total | $89,847,000 | $155,070,000 | $136,557,000 | $138,979,000 | $63,441,000 | $54,219,000 | $71,379,000 |
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