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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $21,903 | $32,983 | | | | | |
| Telephone answering machines | $554,486 | $315,057 | $656,151 | $829,384 | $66,242 | $179,711 | $466,742 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $6,079,942 | $4,467,946 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $46,597,912 | $27,331,138 | | | | | |
| Total | $53,254,243 | $32,147,124 | $656,151 | $829,384 | $66,242 | $179,711 | $466,742 |
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