Commodity200520062007200820092010
Dredgers$14,356 $858,936$772,864$1,753,238 
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$309,093$35,102$42,247$7,131$87,620$18,707
Total$323,449$35,102$901,183$779,995$1,840,858$18,707