Commodity2005200620072008
Commercial ammonium carbonate & oth. ammonium carbonates$89 $63$84
Disodium carbonate$1,316 $683$652
Sodium hydrogencarbonate (sodium bicarbonate)  $4,735$480
Calcium carbonate$30,298$22,413$35,443$43,868
Barium carbonate  $9$60
Lead carbonates   $85
Strontium carbonate $689$325 
Carbonates (excl. of 2836.10-2836.92); peroxocarbonates (percarbonates)$14,424$6,629 $1,798
Total$46,127$29,731$41,258$47,027