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| Commodity | 2006 | 2007 | 2008 | 2009 |
| Microphones & stands therefor | $63,340 | $27,491 | $4,615 | $209 |
| Single loudspeakers, mounted in their enclosures | $23,850 | $15,300 | $26,692 | $10 |
| Multiple loudspeakers, mounted in the same enclosure | $28,010 | $11,673 | $114,720 | $4,768 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $59,087 | $269,121 | $6,036 | $1,179 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $133,490 | $47,025 | $45,026 | $21,579 |
| Audio-frequency elec. amplifiers | $28,547 | $17,382 | $9,846 | $3,339 |
| Electric sound amplifier sets | $47,372 | $41,418 | $215,219 | $44,482 |
| Parts of the app. & equip. of 85.18 | $14,744 | $25,579 | $4,388 | $61,815 |
| Total | $398,440 | $454,989 | $426,542 | $137,381 |
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