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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,539,295,572 | 5,080 | 214,498 |
| 2006 | $1,873,741,794 | 5,637 | 241,935 |
| 2007 | $2,547,888,824 | 5,975 | 271,417 |
| 2008 | $3,386,244,085 | 6,586 | 299,236 |
| 2009 | $2,291,206,854 | 4,361 | 198,020 |
| 2010 | $2,813,036,265 | 5,238 | 237,897 |
| 2011 | $4,162,129,662 | 6,676 | 303,136 |
Note: Quantity represents Number of items
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