Commodity20072008200920102011
Ossein & bones treated with acid$5,293  $6,942$21,433
Bones & horn-cores, unwkd., defatted, simply prepd. but not cut to shape, t ...$18,725$17,749$17,735$720$7,174
Total$24,018$17,749$17,735$7,662$28,607