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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 | 2011 |
| Maps & hydrographic/sim. charts of all kinds, incl. atlases, topographical ... | $1,034 | $333 | | | | |
| Maps & hydrographic/sim. charts of all kinds, wall maps, topographical plan ... | $6,448 | $4,300 | $7,333 | $877 | $3,600 | $4,166 |
| Total | $7,482 | $4,633 | $7,333 | $877 | $3,600 | $4,166 |
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