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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dictating machines not capable of op. without an ext. source of power | $252,345 | $209,019 | | | | | |
| Telephone answering machines | $997,622 | $677,495 | $428,683 | $524,998 | $547,816 | $239,452 | $121,313 |
| Magnetic tape recorders incorp. sound repr. app., n.e.s. in 85.20 | $4,148,987 | $1,567,511 | | | | | |
| Sound recording app., whether or not incorp. a sound repr. device, n.e.s. i ... | $248,689,946 | $262,382,098 | | | | | |
| Total | $254,088,900 | $264,836,123 | $428,683 | $524,998 | $547,816 | $239,452 | $121,313 |
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