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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Microphones & stands therefor | $146,717 | $66,621 | $67,173 | $79,465 |
| Single loudspeakers, mounted in their enclosures | $201,713 | $114,883 | $312,641 | $486,931 |
| Multiple loudspeakers, mounted in the same enclosure | $172,743 | $184,112 | $400,137 | $932,666 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $395,000 | $380,801 | $498,549 | $1,395,176 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $200,037 | $473,840 | $537,578 | $355,952 |
| Audio-frequency elec. amplifiers | $69,114 | $293,463 | $154,813 | $201,432 |
| Electric sound amplifier sets | $283,374 | $504,135 | $450,321 | $940,650 |
| Parts of the app. & equip. of 85.18 | $488,312 | $487,232 | $1,581,495 | $947,726 |
| Total | $1,957,010 | $2,505,087 | $4,002,707 | $5,339,998 |
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