Sub-Chapter200520062007200820092010
Guts, bladders and stomachs of animals (other than fish)$6,105$4,222$6,718$18,037$16,774$35,365
Skins and other parts of birds, with their feathers or down  $122$194 $7
Ivory, tortoise-shell, whalebone, horns, antlers, hooves, nails, etc     $2
Coral and similar materials, unworked or simply prepared$186$1,568$94$404 $1
Natural sponges of animal origin.   $28$55 
Ambergris, castoreum, civet and musk;     $41
Animal products not elsewhere specified or included;$496 $16,943$35  
Total$6,787$5,790$23,877$18,698$16,829$35,416