Commodity2005200620072011
Telephone answering machines$239,713$116,960$363$4,607
Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20$50,072$402,314  
Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ...$102,766,996$43,402,778  
Total$103,056,781$43,922,052$363$4,607