Commodity2005200620072008200920102011
Microphones & stands therefor$272,386$323,778$279,320$361,874$233,550$393,994$748,812
Single loudspeakers, mounted in their enclosures$307,918$695,929$597,500$387,361$243,822$266,540$455,348
Multiple loudspeakers, mounted in the same enclosure$488,150$443,857$414,512$495,613$272,007$478,884$682,511
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$1,577,902$1,424,892$1,507,661$1,993,605$1,536,363$3,550,297$4,382,356
Headphones & earphones, whether or not combined with a microphone, & sets c ...$361,651$497,233$662,727$957,370$545,033$722,702$1,598,535
Audio-frequency elec. amplifiers$213,426$195,292$208,479$358,026$274,825$228,427$381,540
Electric sound amplifier sets$994,979$927,596$751,095$704,731$674,573$917,121$1,561,747
Parts of the app. & equip. of 85.18$291,966$283,359$414,195$265,732$373,088$317,134$378,354
Total$4,508,378$4,791,936$4,835,489$5,524,312$4,153,261$6,875,099$10,189,203