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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dredgers | $91,557,412 | $1,655,661 | $2,300,067 | $245,749,474 | $62,426,327 | $17,233,364 | $450,116,459 |
| Floating/submersible drilling/production platforms | | | $420,662 | $424,013 | | $415,590 | |
| Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ... | | | $7,483,811 | $2,309,439 | $6,892,887 | $4,564,862 | $4,242,057 |
| Total | $91,557,412 | $1,655,661 | $10,204,540 | $248,482,926 | $69,319,214 | $22,213,816 | $454,358,516 |
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