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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $704,059,216 | 53,868,341 | 9,326,264 |
| 2006 | $787,294,277 | 50,596,433 | 5,750,310 |
| 2007 | $961,113,033 | 51,012,586 | 4,244,646 |
| 2008 | $1,031,740,039 | 56,210,180 | 0 |
| 2009 | $957,365,664 | 43,845,835 | 17,628,513 |
| 2010 | $976,159,208 | 52,885,160 | 22,623,402 |
| 2011 | $1,090,474,519 | 66,318,157 | 24,501,320 |
Note: Quantity represents Number of items
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