Commodity2005200620072008200920102011
Dredgers$85,817$51,525$3,439,064$3,406,222$2,107,777$6,413,202$5,878,505
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$119,802 $232,527$417,769   
Total$205,619$51,525$3,671,591$3,823,991$2,107,777$6,413,202$5,878,505