Commodity2005200620072008200920102011
Worked ivory & arts. of ivory   $16  $154
Worked, bone, tortoise-shell, horn, antlers, coral, moth.-of-pearl & oth. a ...$362$442$3,554$9,704$3,680$11,731$278
Total$362$442$3,554$9,720$3,680$11,731$432