Commodity20052006200720082009
Disodium carbonate   $1,734 
Sodium hydrogencarbonate (sodium bicarbonate)$227 $1,337$4,651 
Calcium carbonate $2,600$1,556 $645
Carbonates (excl. of 2836.10-2836.92); peroxocarbonates (percarbonates)   $122$238
Total$227$2,600$2,893$6,507$883