Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$56      
Telephone answering machines$16,651$7,544$2,600$6,834$1,677$1,058$1,539
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 $1,110     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$3,637,455$1,724,054     
Total$3,654,162$1,732,708$2,600$6,834$1,677$1,058$1,539