Commodity20052007200820102011
Pebbles/gravel/broken/crushed stone, of a kind commonly used for concrete a ...$15,570$11,878$7,660$14,808 
Granules, chippings & powder, of stones of 25.15/25.16 (excl. marble), whet ...    $6,674
Total$15,570$11,878$7,660$14,808$6,674