Commodity20052006200720082009
Dictating machines not capable of op. without an ext. source of power $27$11,329  
Telephone answering machines$193$513$4,172$7,024$1,149
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$25,595$51,889$45,030  
Total$25,788$52,429$60,531$7,024$1,149