Commodity2005200620072008200920102011
Worked ivory & arts. of ivory$186 $4,149$597$728 $82
Worked, bone, tortoise-shell, horn, antlers, coral, moth.-of-pearl & oth. a ... $1,523$4,435$2,870$33$2,836$1,275
Total$186$1,523$8,584$3,467$761$2,836$1,357