Commodity200520062007200820092010
Microphones & stands therefor$251,956$386,130$306,331$510,760$336,637$321,386
Single loudspeakers, mounted in their enclosures$352,236$486,211$467,201$561,077$415,401$331,418
Multiple loudspeakers, mounted in the same enclosure$137,588$198,356$342,436$265,550$99,955$256,780
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$1,104,812$1,452,520$1,903,906$1,438,508$1,673,573$1,327,299
Headphones & earphones, whether or not combined with a microphone, & sets c ...$315,272$452,418$355,001$423,093$525,138$706,403
Audio-frequency elec. amplifiers$519,324$658,005$850,236$1,153,715$603,063$482,989
Electric sound amplifier sets$257,942$211,315$179,489$143,868$222,612$220,046
Parts of the app. & equip. of 85.18$160,835$122,594$174,646$146,006$165,302$165,028
Total$3,099,965$3,967,549$4,579,246$4,642,577$4,041,681$3,811,349