Sub-Chapter200520062007200820092010
Pigs', hogs' or boars' bristles and hair;   $103 $119
Guts, bladders and stomachs of animals (other than fish)$51,507$37,468$56,024$103,234$85,409$128,228
Skins and other parts of birds, with their feathers or down   $26$43$631
Ivory, tortoise-shell, whalebone, horns, antlers, hooves, nails, etc  $338 $3,393 
Coral and similar materials, unworked or simply prepared$3,401$25,005$6,205$16,724$9,776$16,282
Natural sponges of animal origin.  $4,096   
Animal products not elsewhere specified or included;$109,915$25,560$8,665$44,818$34,638$6,402
Total$164,823$88,033$75,328$164,905$133,259$151,662