Commodity2005200620072008200920102011
Microphones & stands therefor$205,089,794$327,299,220$391,831,702$546,838,162$421,895,731$499,592,497$559,884,703
Single loudspeakers, mounted in their enclosures$26,760,185$36,632,030$32,159,588$31,421,124$22,960,320$25,373,618$30,710,850
Multiple loudspeakers, mounted in the same enclosure$63,217,512$71,034,113$86,058,623$98,779,301$99,840,760$136,285,972$171,289,995
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$373,542,388$464,208,933$564,696,193$623,912,637$601,390,718$643,726,906$608,162,497
Headphones & earphones, whether or not combined with a microphone, & sets c ...$317,972,720$384,888,022$448,132,550$458,072,383$509,648,755$600,956,322$841,047,494
Audio-frequency elec. amplifiers$34,543,770$56,606,468$75,999,827$88,368,820$109,811,719$128,367,674$146,339,213
Electric sound amplifier sets$5,516,120$7,753,965$11,200,765$15,585,571$11,484,794$14,510,969$17,372,863
Parts of the app. & equip. of 85.18$419,633,640$413,037,855$424,018,526$395,109,182$285,868,041$362,669,661$382,943,767
Total$1,446,276,129$1,761,460,606$2,034,097,774$2,258,087,180$2,062,900,838$2,411,483,619$2,757,751,382