Commodity2005200620072008200920102011
Dredgers$421,212    $216,857 
Floating/submersible drilling/production platforms $9,076$750 $167,781  
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$3,392,066$8,413,738$12,181$31,344$6,280$13,295$85
Total$3,813,278$8,422,814$12,931$31,344$174,061$230,152$85