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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bars & rods of silico-manganese steel | | $31,823 | $103,500 | $32,682 | $62,950 | $226,479 |
| Hollow drill bars & rods of alloy/non-alloy steel | $172 | $4,797 | $903 | | $5,565 | $68 |
| Total | $172 | $36,620 | $104,403 | $32,682 | $68,515 | $226,547 |
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