Commodity200520062010
Dictating machines not capable of op. without an ext. source of power$250,414$47,668 
Telephone answering machines$9,902$104,078$5,059
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$209,319$82,367 
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$2,556,434$3,281,369$544,984
Total$3,026,069$3,515,482$550,043