Commodity2005200620072008200920102011
Microphones & stands therefor$97,543,510$112,288,400$139,396,342$138,922,489$152,664,766$162,018,718$159,994,030
Single loudspeakers, mounted in their enclosures$248,991,919$280,856,693$275,035,395$275,108,661$205,355,366$241,515,852$291,689,651
Multiple loudspeakers, mounted in the same enclosure$189,033,972$214,396,184$224,833,122$236,775,542$201,937,800$241,928,061$241,676,636
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$359,224,093$357,608,322$397,541,259$327,249,472$281,124,791$274,491,354$275,278,899
Headphones & earphones, whether or not combined with a microphone, & sets c ...$261,069,772$321,967,622$336,509,919$437,340,426$325,877,309$328,686,305$421,573,026
Audio-frequency elec. amplifiers$376,566,022$430,777,816$486,123,517$586,153,165$511,164,112$484,110,271$418,349,884
Electric sound amplifier sets$100,044,591$134,050,101$128,945,645$142,356,864$112,092,839$100,068,964$113,890,746
Parts of the app. & equip. of 85.18$262,357,873$331,855,882$386,882,250$504,081,777$311,693,791$440,555,503$352,035,678
Total$1,894,831,752$2,183,801,020$2,375,267,449$2,647,988,396$2,101,910,774$2,273,375,028$2,274,488,550