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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $2,966,062 | $938,997 | $1,112,300 | $1,102,100 | $676,061 | $447,070 | $499,000 |
| Towers & lattice masts of iron/steel | $3,474,248 | $3,838,449 | $1,607,100 | $5,134,183 | $4,886,075 | $12,409,800 | $8,989,000 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $808,978 | $2,312,277 | $955,684 | $1,638,680 | $1,581,668 | $3,191,490 | $4,447,000 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $961,576 | $2,648,053 | $2,211,028 | $4,871,154 | $7,461,318 | $7,967,011 | $7,351,000 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $10,456,293 | $17,665,788 | $16,673,894 | $25,016,808 | $21,143,798 | $20,708,365 | $108,462,000 |
| Total | $18,667,157 | $27,403,564 | $22,560,006 | $37,762,925 | $35,748,920 | $44,723,736 | $129,748,000 |
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