YearTrade ValueWeight (kg)Quantity
2005$371,830439,21923,938
2006$1,012,281348,80065,170
2007$2,417,610839,2131,088,910
2008$2,761,979441,566620,096
2009$2,566,231636,4041,161,406
2010$2,950,257455,545740,454
2011$3,779,125259,2751,300,015
Note: Quantity represents Number of pairs