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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Microphones & stands therefor | $128 | | | | | |
| Single loudspeakers, mounted in their enclosures | $693 | $240 | | | | |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | | $48 | | | | $8,254 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | | | $459 | | | |
| Audio-frequency elec. amplifiers | $45 | | | | | |
| Electric sound amplifier sets | $591 | $1,161 | | $1,151 | $19,971 | |
| Parts of the app. & equip. of 85.18 | | $1,929 | | $501 | | |
| Total | $1,457 | $3,378 | $459 | $1,652 | $19,971 | $8,254 |
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