Commodity200520062007200920102011
Worked ivory & arts. of ivory $613$7,585$129$116 
Worked, bone, tortoise-shell, horn, antlers, coral, moth.-of-pearl & oth. a ...$10,473$8,104$21,832$9,084$9,401$10,438
Total$10,473$8,717$29,417$9,213$9,517$10,438