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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $1,268,110 | $3,786,155 | $1,284,678 | $417,107 | $2,217,475 | $11,705,471 | $2,338,066 |
| Towers & lattice masts of iron/steel | $18,303,626 | $3,702,198 | $7,468,789 | $3,108,832 | $2,648,606 | $6,884,322 | $15,971,424 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $23,538,583 | $28,456,188 | $33,477,852 | $38,713,877 | $30,433,044 | $31,316,185 | $35,309,373 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $10,001,951 | $15,470,595 | $17,483,245 | $18,757,385 | $19,168,655 | $17,789,296 | $28,566,300 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $113,643,711 | $168,813,683 | $121,089,772 | $165,646,825 | $144,296,272 | $141,172,329 | $173,183,061 |
| Total | $166,755,981 | $220,228,819 | $180,804,336 | $226,644,026 | $198,764,052 | $208,867,603 | $255,368,224 |
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