Commodity200520062007200820092010
Dredgers$2,700,000$1,400,000$1,400,000$1,400,000$5,829,984$5,463,751
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$18,899 $520,000   
Total$2,718,899$1,400,000$1,920,000$1,400,000$5,829,984$5,463,751