Commodity2005200620072008200920102011
Microphones & stands therefor$3,570,871$4,080,078$5,788,045$6,600,567$6,046,198$6,471,035$9,509,870
Single loudspeakers, mounted in their enclosures$25,472,779$23,388,892$23,071,009$16,484,363$10,387,607$12,937,030$19,542,225
Multiple loudspeakers, mounted in the same enclosure$28,928,863$25,907,166$9,032,493$37,371,045$22,571,797$32,574,470$39,559,554
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$46,558,353$43,275,638$39,058,889$35,713,629$26,682,612$33,537,540$48,405,180
Headphones & earphones, whether or not combined with a microphone, & sets c ...$7,450,174$13,234,168$14,808,502$14,359,732$12,026,682$16,506,877$22,890,522
Audio-frequency elec. amplifiers$12,747,317$12,073,268$13,038,589$13,365,380$7,742,914$10,326,209$14,196,588
Electric sound amplifier sets$2,070,338$1,501,183$1,181,816$1,471,038$470,128$846,932$1,013,295
Parts of the app. & equip. of 85.18$3,820,992$4,674,018$6,996,110$5,004,547$3,223,407$3,726,455$4,513,694
Total$130,619,687$128,134,411$112,975,453$130,370,301$89,151,345$116,926,548$159,630,928