Commodity2005200620072008200920102011
Dredgers $15,000$3,300    
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$151,700$265,900$135,200$67,200$62,300$39,500$62,300
Total$151,700$280,900$138,500$67,200$62,300$39,500$62,300