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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Copper foil, whether or not printed, not backed with paper/paperboard/plact ... | $71,953,771 | $102,449,678 | $128,882,864 | $109,437,043 | $30,850,442 | $68,092,419 | $88,067,629 |
| Copper foil, whether or not printed, not backed with paper/paperboard/plact ... | $3,066,967 | $7,559,452 | $12,730,851 | $8,639,838 | $2,983,992 | $12,219,817 | $7,882,829 |
| Copper foil, whether or not printed, backed with paper/paperboard/plactics/ ... | $33,760,950 | $54,615,868 | $68,652,713 | $54,879,398 | $23,842,391 | $38,089,970 | $68,113,698 |
| Copper foil, whether or not printed, backed with paper/paperboard/plactics/ ... | $1,587,193 | $2,893,955 | $8,195,803 | $16,815,559 | $22,449,759 | $28,090,057 | $22,084,996 |
| Total | $110,368,881 | $167,518,953 | $218,462,231 | $189,771,838 | $80,126,584 | $146,492,263 | $186,149,152 |
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