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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Copper foil, whether or not printed, not backed with paper/paperboard/plact ... | $893,717 | $1,513,661 | $2,177,232 | $4,723,629 | $2,782,106 | $3,714,732 | $5,400,879 |
| Copper foil, whether or not printed, not backed with paper/paperboard/plact ... | $191,561 | $319,982 | $442,217 | $219,950 | $297,633 | $476,231 | $470,967 |
| Copper foil, whether or not printed, backed with paper/paperboard/plactics/ ... | $3,362,152 | $3,615,565 | $4,890,316 | $4,117,393 | $2,085,044 | $3,665,371 | $3,924,690 |
| Copper foil, whether or not printed, backed with paper/paperboard/plactics/ ... | $30,994 | $86,298 | $226,806 | $85,616 | $17,194 | $93,955 | $52,138 |
| Total | $4,478,424 | $5,535,506 | $7,736,571 | $9,146,588 | $5,181,977 | $7,950,289 | $9,848,674 |
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