Commodity20062008200920102011
Dredgers  $2,907,276$63,165 
Floating/submersible drilling/production platforms  $35,894,198  
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$1,209,520$4,643,565$89,455$68,426,022$26,075
Total$1,209,520$4,643,565$38,890,929$68,489,187$26,075