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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dredgers | $76,959 | $12,405,355 | $741,524 | $1,199,048 | $618,236 | | |
| Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ... | $352,286 | $4,022 | | | $870,229 | $907,150 | $476,245 |
| Total | $429,245 | $12,409,377 | $741,524 | $1,199,048 | $1,488,465 | $907,150 | $476,245 |
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