Commodity200520062007200820092010
Dictating machines not capable of op. without an ext. source of power$24,990$14,137    
Telephone answering machines$32,397$5,154$4,865$1,448$358$1,989
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$24,974$20,068    
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$2,663,969$2,800,784    
Total$2,746,330$2,840,143$4,865$1,448$358$1,989