Commodity2005200620072008200920102011
Microphones & stands therefor$28,371,346$25,896,038$28,478,875$33,194,860$25,690,434$31,798,953$36,717,663
Single loudspeakers, mounted in their enclosures$13,109,046$22,728,577$26,905,418$34,682,689$28,276,658$36,610,790$54,368,546
Multiple loudspeakers, mounted in the same enclosure$4,013,852$5,872,141$11,473,578$14,513,156$10,026,096$14,564,169$20,756,181
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$50,929,113$48,814,027$60,507,511$70,453,491$55,258,975$90,791,482$93,640,768
Headphones & earphones, whether or not combined with a microphone, & sets c ...$32,791,586$81,432,654$87,726,341$126,048,655$82,577,358$83,163,814$96,141,245
Audio-frequency elec. amplifiers$3,506,747$4,530,256$6,824,535$9,354,105$6,967,505$8,533,305$10,469,483
Electric sound amplifier sets$7,849,325$8,433,434$9,042,435$14,487,347$11,211,915$12,698,772$20,955,398
Parts of the app. & equip. of 85.18$22,978,752$28,315,950$31,237,614$40,154,954$26,881,690$42,958,477$54,657,561
Total$163,549,767$226,023,077$262,196,307$342,889,257$246,890,631$321,119,762$387,706,845