Commodity200520062007200920102011
Dictating machines not capable of op. without an ext. source of power   $78  
Telephone answering machines$1,327$35$112$1,570$354$44
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$18,087$1,695$16,858$20,861$13,358$15,444
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$23,327$92,314$37,349$14,558$26,183$10,096
Total$42,741$94,044$54,319$37,067$39,895$25,584