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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Dredgers | $14,356 | | $858,936 | $772,864 | $1,753,238 | |
| Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ... | $309,093 | $35,102 | $42,247 | $7,131 | $87,620 | $18,707 |
| Total | $323,449 | $35,102 | $901,183 | $779,995 | $1,840,858 | $18,707 |
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