2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000,000 $40,000,000 $60,000,000 $80,000,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $38,669,999 | 1,005,791 | 1,719,590 |
| 2006 | $56,407,410 | 1,387,059 | 2,266,490 |
| 2007 | $59,908,946 | 1,583,461 | 2,153,299 |
| 2008 | $66,951,956 | 1,571,993 | 2,025,172 |
| 2009 | $56,315,482 | 1,238,739 | 1,756,452 |
| 2010 | $54,707,582 | 1,195,365 | 1,781,391 |
| 2011 | $65,711,602 | 1,185,115 | 1,972,886 |
Note: Quantity represents Number of pairs
|
|
