Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$232$1,276     
Telephone answering machines$4,488$516,238$42,661$4,730$741$362$11,830
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$8,002$11,958     
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$9,198$13,273     
Total$21,920$542,745$42,661$4,730$741$362$11,830