Commodity200620072008
Commercial ammonium carbonate & oth. ammonium carbonates$51 $5
Disodium carbonate$503$479 
Sodium hydrogencarbonate (sodium bicarbonate)$10,365$12,889$15,692
Calcium carbonate$143$2,016$7,271
Barium carbonate  $13
Total$11,062$15,384$22,981