Commodity200520072008
Commercial ammonium carbonate & oth. ammonium carbonates$352,133$442,668 
Disodium carbonate$12,499,790$33,239,937$43,847,839
Sodium hydrogencarbonate (sodium bicarbonate)$1,392,505$1,839,842$2,313,826
Potassium carbonates$1,102,157$489,309$318,728
Calcium carbonate$9,567,879$12,142,102$17,279,583
Barium carbonate$325,092$160,758$230,149
Lead carbonates$1,663  
Lithium carbonates$11,835$223,825$44,218
Strontium carbonate$1,034 $81,838
Carbonates (excl. of 2836.10-2836.92); peroxocarbonates (percarbonates)$1,317,874$658,879$888,251
Total$26,571,962$49,197,320$65,004,432