|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Radar app. | $2,598 | $120,997 | $268 | $82,305 | $37,824 | $16,390 | |
| Radio navigational aid app. | $5,404 | $10,405 | $14,760 | $59,163 | $35,902 | $27,714 | $3,540 |
| Radio remote control app. | | $954 | $247 | $70 | $2,731 | | $219 |
| Total | $8,002 | $132,356 | $15,275 | $141,538 | $76,457 | $44,104 | $3,759 |
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