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| Commodity | 2005 | 2006 | 2007 |
| Microphones & stands therefor | $168,645 | $242,790 | $193,970 |
| Single loudspeakers, mounted in their enclosures | $78,305 | $51,797 | $34,814 |
| Multiple loudspeakers, mounted in the same enclosure | $130,316 | $302,750 | $188,366 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $2,270,914 | $2,714,477 | $3,080,646 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $256,121 | $384,157 | $687,771 |
| Audio-frequency elec. amplifiers | $304,269 | $453,275 | $1,027,898 |
| Electric sound amplifier sets | $135,960 | $237,008 | $249,824 |
| Parts of the app. & equip. of 85.18 | $180,323 | $284,218 | $177,489 |
| Total | $3,524,853 | $4,670,472 | $5,640,778 |
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