|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Radar app. | $28,061 | $8,148 | $10,330 | $7,335 | $4,358 | | $43,389 |
| Radio navigational aid app. | $11,553 | $388 | $12,498 | $6,616 | $1,336 | $5,516 | $7,414 |
| Radio remote control app. | $3,876 | $8,676 | $956 | $6,986 | $13,768 | $12,939 | $4,270 |
| Total | $43,490 | $17,212 | $23,784 | $20,937 | $19,462 | $18,455 | $55,073 |
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