Commodity2005200620072008200920102011
Worked ivory & arts. of ivory$54$109  $627$2,780 
Worked, bone, tortoise-shell, horn, antlers, coral, moth.-of-pearl & oth. a ... $225$1,053$554$165$3,699$5,188
Total$54$334$1,053$554$792$6,479$5,188