Commodity200520062007200820092010
Microphones & stands therefor$171,374$260,674$532,338$443,024$500,098$584,986
Single loudspeakers, mounted in their enclosures$134,643$298,086$925,293$1,594,014$1,036,012$1,195,429
Multiple loudspeakers, mounted in the same enclosure$208,784$320,591$855,085$676,877$540,760$1,060,842
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$172,194$196,213$438,119$631,009$224,997$172,938
Headphones & earphones, whether or not combined with a microphone, & sets c ...$251,233$429,415$733,180$1,078,734$669,249$669,179
Audio-frequency elec. amplifiers$65,204$174,863$242,961$316,011$145,389$164,703
Electric sound amplifier sets$222,127$258,601$263,652$315,682$636,029$455,952
Parts of the app. & equip. of 85.18$50,957$120,512$340,468$180,799$110,673$72,732
Total$1,276,516$2,058,955$4,331,096$5,236,150$3,863,207$4,376,761