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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Dredgers | $11,074,387 | $88,155,393 | $36,645,451 | $3,922,665 | $2,840,403 | $2,980,865 | $82,591,415 |
| Floating/submersible drilling/production platforms | | $2,551,574 | $51,509,419 | $191,383,465 | | $360,559,398 | |
| Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ... | $28,085,099 | $94,074,297 | $2,960,549 | $6,332,754 | $37,005,640 | $70,893,495 | $20,064,828 |
| Total | $39,159,486 | $184,781,264 | $91,115,419 | $201,638,884 | $39,846,043 | $434,433,758 | $102,656,243 |
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