YearTrade ValueWeight (kg)Quantity
2005$28,7713,0484,319
2006$56,0496,7538,414
2007$39,9672,4634,404
2008$147,86410,78214,107
2009$77,1916,1806,440
2010$380,79948,9360
2011$677,71161,1740
Note: Quantity represents Number of pairs