Commodity2005200620072008200920102011
Dictating machines not capable of op. without an ext. source of power$35,419$2,738$4,118    
Telephone answering machines$47,083$8,693$5,914$2,268$545$165,306$17,073
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$85,877$17,714$5,052    
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$73,114$58,238$10,210    
Total$241,493$87,383$25,294$2,268$545$165,306$17,073