Commodity200520062007200820102011
Dredgers$2,653,684$33,859$2,643,506$47,006,432  
Floating/submersible drilling/production platforms $51,862 $903,658 $40,561
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$106,383 $261,037$1,339,027$73,234$113,162
Total$2,760,067$85,721$2,904,543$49,249,117$73,234$153,723