Sub-Chapter200520062007200820092010
Human hair, unworked, whether or not washed or scoured; waste of human hair ...    $13,301$1,150
Pigs', hogs' or boars' bristles and hair;$132,167$183,136$245,927$159,387$277,394$145,411
Guts, bladders and stomachs of animals (other than fish)$1,351,777$876,923$533,055$559,516$542,259$268,938
Skins and other parts of birds, with their feathers or down$1,313 $651$249$1,214$108
Ivory, tortoise-shell, whalebone, horns, antlers, hooves, nails, etc  $6   
Coral and similar materials, unworked or simply prepared$2,209$3,656$3,143$2,090$1,529 
Natural sponges of animal origin.$5,672$1,196    
Ambergris, castoreum, civet and musk;  $747$411  
Animal products not elsewhere specified or included;$17,475$14,338$10,501$15,618$62,208$61,416
Total$1,510,613$1,079,249$794,030$737,271$897,905$477,023