Commodity2005200620072008200920102011
Dredgers$179,638$1,253 $6,272,697$696,384$4,133,655$8,152,818
Floating/submersible drilling/production platforms   $6,145$170,354,482$4,125$14,310
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$511,383$449,847$22,792,791$61,759 $37,883,232 
Total$691,021$451,100$22,792,791$6,340,601$171,050,866$42,021,012$8,167,128