Commodity2005200620072008200920102011
Dredgers     $824,209$101,775
Floating/submersible drilling/production platforms   $6,136   
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$51$13,959$2,949$41$44$52,882$15,873
Total$51$13,959$2,949$6,177$44$877,091$117,648