Commodity2005200620072008200920102011
Dredgers$171,389,353$38,893,785$178,578,233$235,592,424$232,989,825$58,738,476$150,359,572
Floating/submersible drilling/production platforms$69,623,900$132,400,396$319,378,733$323,135,540$65,852,062$294,660,231 
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$427,176,721$700,756,258$608,087,807$1,080,035,300$368,434,545$1,131,976,807$1,162,485,481
Total$668,189,974$872,050,439$1,106,044,773$1,638,763,264$667,276,432$1,485,375,514$1,312,845,053