Commodity200520062007200920102011
Sodium sulphites$1,294  $5,526$10,470$4,978
Sulphites (excl. of sodium)  $9,493   
Thiosulphates$804$4,204$1,818  $12,418
Total$2,098$4,204$11,311$5,526$10,470$17,396