Commodity20052006200720082009
Dictating machines not capable of op. without an ext. source of power$15,861$4,181   
Telephone answering machines$397$19,524$544$880$1,414
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$114,659$29,589   
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$879,538$1,534,007   
Total$1,010,455$1,587,301$544$880$1,414