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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 |
| Human hair, unworked, whether or not washed or scoured; waste of human hair ... | | | $25 | |
| Pigs', hogs' or boars' bristles and hair; | $10,344 | $41,898 | $37,239 | $21,283 |
| Horsehair and horsehair waste | $30,236 | $30,984 | $33,021 | $22,782 |
| Guts, bladders and stomachs of animals (other than fish) | $218 | | $47 | $408 |
| Skins and other parts of birds, with their feathers or down | $4 | $1,151 | $1,412 | $338 |
| Bones and horn-cores, unworked, defatted | $19 | | $1,306 | |
| Ivory, tortoise-shell, whalebone, horns, antlers, hooves, nails, etc | | $129 | $137 | |
| Coral and similar materials, unworked or simply prepared | $11 | $115 | $1,556 | $32 |
| Natural sponges of animal origin. | $76 | $165 | $93 | $7 |
| Ambergris, castoreum, civet and musk; | | $55 | $37 | |
| Animal products not elsewhere specified or included; | $296 | $17,438 | $16,744 | $31,852 |
| Total | $41,204 | $91,935 | $91,617 | $76,702 |
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