Commodity200520062007200820092010
Microphones & stands therefor$18,897,547$29,078,459$9,142,270$10,752,551$8,647,075$10,006,780
Single loudspeakers, mounted in their enclosures$26,227,207$15,348,082$16,066,292$17,782,113$15,081,814$14,519,693
Multiple loudspeakers, mounted in the same enclosure$23,005,984$28,888,245$28,615,414$25,413,684$25,595,556$24,718,446
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$34,668,917$42,402,878$47,855,306$63,769,626$60,215,908$54,590,273
Headphones & earphones, whether or not combined with a microphone, & sets c ...$21,947,275$26,184,965$34,476,017$36,229,742$37,485,219$37,764,883
Audio-frequency elec. amplifiers$26,876,337$27,483,776$26,109,745$23,378,718$21,999,898$19,659,292
Electric sound amplifier sets$16,590,769$14,662,471$22,120,945$21,869,175$15,372,205$15,460,337
Parts of the app. & equip. of 85.18$19,195,033$15,552,735$32,055,892$41,669,357$35,109,996$48,242,116
Total$187,409,069$199,601,611$216,441,881$240,864,966$219,507,671$224,961,820