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| Commodity | 2005 | 2006 | 2007 |
| Microphones & stands therefor | $379,890 | $84,529 | $222,043 |
| Single loudspeakers, mounted in their enclosures | $231,181 | $124,951 | $110,573 |
| Multiple loudspeakers, mounted in the same enclosure | $29,605 | $24,106 | $33,139 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $159,930 | $126,661 | $83,491 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $50,427 | $22,682 | $92,903 |
| Audio-frequency elec. amplifiers | $97,369 | $611,703 | $562,785 |
| Electric sound amplifier sets | $191,037 | $71,775 | $47,958 |
| Parts of the app. & equip. of 85.18 | $114,354 | $40,147 | $209,791 |
| Total | $1,253,793 | $1,106,554 | $1,362,683 |
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