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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $3,056 | $3,928 | | | | | |
| Telephone answering machines | $128,810 | $91,935 | $119,751 | $110,929 | $27,139 | $291,299 | $19,496 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $269,561 | $1,188,110 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $739,167 | $2,480,969 | | | | | |
| Total | $1,140,594 | $3,764,942 | $119,751 | $110,929 | $27,139 | $291,299 | $19,496 |
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