Commodity200520062007200820092010
Pebbles/gravel/broken/crushed stone, of a kind commonly used for concrete a ...$29 $6,216$6,040  
Granules, chippings & powder, of marble, whether or not heat-treated  $8,248 $20,088$8,620
Granules, chippings & powder, of stones of 25.15/25.16 (excl. marble), whet ... $409 $11,124  
Total$29$409$14,464$17,164$20,088$8,620