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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,283,595 | 553,677 | 493,357 |
| 2006 | $4,938,019 | 942,262 | 495,399 |
| 2007 | $6,229,128 | 1,077,059 | 534,470 |
| 2008 | $6,854,167 | 1,029,464 | 491,334 |
| 2009 | $4,649,169 | 750,706 | 347,499 |
| 2010 | $3,678,848 | 671,616 | 321,426 |
| 2011 | $3,936,823 | 662,036 | 281,026 |
Note: Quantity represents Area in square metres
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