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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Microphones & stands therefor | $1,195 | $2,042 | $8,414 | $16,562 |
| Single loudspeakers, mounted in their enclosures | $23,459 | $15,493 | $30,296 | $53,525 |
| Multiple loudspeakers, mounted in the same enclosure | $2,360 | $8,549 | $11,077 | $9,848 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $16,190 | $12,077 | $10,961 | $12,169 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $5,946 | $6,033 | $13,522 | $8,781 |
| Audio-frequency elec. amplifiers | $4,645 | $7,001 | $8,364 | $16,967 |
| Electric sound amplifier sets | $10,628 | $1,690 | $36,382 | $23,992 |
| Parts of the app. & equip. of 85.18 | $10,074 | $7,402 | $1,066 | $4,566 |
| Total | $74,497 | $60,287 | $120,082 | $146,410 |
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