Commodity20052006200720082009
Refractory bricks, blocks, tiles & sim. refractory ceramic constructional g ...$575 $9,767$19,116 
Refractory bricks, blocks, tiles & sim. refractory ceramic constructional g ...$41,233$6,580$73,922$57,165$69,999
Refractory bricks, blocks, tiles & sim. refractory ceramic constructional g ...$444,394$542,349$707,723$499,082$427,329
Total$486,202$548,929$791,412$575,363$497,328