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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Microphones & stands therefor | $34,231 | $24,021 | $33,751 | $40,254 | $38,914 |
| Single loudspeakers, mounted in their enclosures | $66,497 | $39,811 | $49,686 | $20,030 | $63,122 |
| Multiple loudspeakers, mounted in the same enclosure | $43,526 | $16,519 | $67,850 | $109,033 | $162,803 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $73,152 | $81,992 | $100,706 | $122,671 | $90,354 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $32,559 | $17,890 | $76,552 | $40,600 | $31,195 |
| Audio-frequency elec. amplifiers | $37,769 | $40,008 | $40,717 | $35,320 | $32,836 |
| Electric sound amplifier sets | $112,227 | $38,679 | $48,165 | $85,172 | $84,370 |
| Parts of the app. & equip. of 85.18 | $9,945 | $9,421 | $9,669 | $13,271 | $41,247 |
| Total | $409,906 | $268,341 | $427,096 | $466,351 | $544,841 |
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