Commodity2005200620072008200920102011
Dredgers$6,085,000$8,891,000$9,473,000  $6,332,833$958,835
Floating/submersible drilling/production platforms$9,521,000   $11,710,000  
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...$9,245,000$3,163,000$4,826,000$9,676,000$156,265,000$97,383,875$87,466
Total$24,851,000$12,054,000$14,299,000$9,676,000$167,975,000$103,716,708$1,046,301