Commodity200520062007200820092010
Dictating machines not capable of op. without an ext. source of power$1,969     
Telephone answering machines$6,757$9,755$7,700$2,989$2,186$476
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$49,139$33,957    
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$147,585$127,417    
Total$205,450$171,129$7,700$2,989$2,186$476