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| Commodity | 2005 | 2006 | 2007 | 2009 |
| Microphones & stands therefor | $337 | $193 | $3,992 | $535 |
| Single loudspeakers, mounted in their enclosures | $965 | $1,860 | $5,492 | $15,778 |
| Multiple loudspeakers, mounted in the same enclosure | | $1,360 | $10 | $6,527 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $1,448 | $9,237 | $25,132 | $681 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $50 | $221 | $125 | $584 |
| Audio-frequency elec. amplifiers | $5,589 | $35,722 | $14,510 | $1,497 |
| Electric sound amplifier sets | $85,625 | $20,487 | $39,313 | $11,746 |
| Parts of the app. & equip. of 85.18 | $31,009 | | $1,650 | $248 |
| Total | $125,023 | $69,080 | $90,224 | $37,596 |
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