Commodity200520062007200820092010
Microphones & stands therefor$2,450,948$4,408,546$11,748,868$18,255,224$24,933,635$36,592,850
Single loudspeakers, mounted in their enclosures$2,331,871$3,128,126$3,047,136$2,026,298$2,052,235$3,539,650
Multiple loudspeakers, mounted in the same enclosure$1,591,223$1,828,571$2,998,730$4,720,134$7,542,623$14,111,010
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$11,333,017$14,547,126$24,012,572$31,774,594$34,421,479$53,032,790
Headphones & earphones, whether or not combined with a microphone, & sets c ...$1,252,204$1,790,200$2,110,453$4,590,287$11,312,726$42,468,050
Audio-frequency elec. amplifiers$2,306,104$2,517,107$3,503,754$4,424,026$4,273,968$8,471,930
Electric sound amplifier sets$3,103,904$2,675,287$4,892,181$5,250,655$4,213,969$3,764,680
Parts of the app. & equip. of 85.18$13,976,132$12,583,612$35,353,472$57,231,267$51,304,148$65,175,320
Total$38,345,403$43,478,575$87,667,166$128,272,485$140,054,783$227,156,280