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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Microphones & stands therefor | $520 | $254 | $6,078 | $14,889 | | | $2,200 |
| Single loudspeakers, mounted in their enclosures | $5,498 | $3,376 | $2,768 | $2,872 | $8,875 | | $12,108 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | | | | | | | $41,230 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $1,449 | $300 | $200 | $1,727 | $24,960 | | $1,129 |
| Audio-frequency elec. amplifiers | $18,921 | $20,000 | $274,854 | $4,342 | $12,899 | $54,611 | $11,849 |
| Electric sound amplifier sets | $211,564 | $94,512 | $34,429 | $135,586 | $7,348 | $267,559 | $314,143 |
| Parts of the app. & equip. of 85.18 | $10 | $3,676 | $89,478 | $37,730 | $67,622 | $291,261 | $18,111 |
| Total | $237,962 | $122,118 | $407,807 | $197,146 | $121,704 | $613,431 | $400,770 |
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