Sub-Chapter200520062007200820092010
Human hair, unworked, whether or not washed or scoured; waste of human hair ... $17,265$30,301$30,539$2,140$24,056
Pigs', hogs' or boars' bristles and hair; $1,087 $135$1,416$466
Guts, bladders and stomachs of animals (other than fish)$491,059$604,863$1,040,953$1,552,899$1,668,444$1,423,332
Skins and other parts of birds, with their feathers or down$193$71  $454 
Bones and horn-cores, unworked, defatted  $231$2,285 $57,143
Ivory, tortoise-shell, whalebone, horns, antlers, hooves, nails, etc$140$514$1,979$7,075$324$281
Coral and similar materials, unworked or simply prepared $282 $7$165$133
Natural sponges of animal origin.$32$1,855    
Ambergris, castoreum, civet and musk;  $7$578$547$353
Animal products not elsewhere specified or included;$111,084$2,299,543$116,263$277,128$153,733$188,798
Total$602,508$2,925,480$1,189,734$1,870,646$1,827,223$1,694,562