Commodity2005200620072008200920102011
Dredgers$3,169,772$8,861,983$9,711,590$14,489,029$11,509,429$13,367,877$13,796,638
Floating/submersible drilling/production platforms   $222,604,608$5,215,682  
Light-vessels, fire-floats, floating cranes & oth. vessels the navigability ...  $2,325,466$624,732 $812,705$190,719
Total$3,169,772$8,861,983$12,037,056$237,718,369$16,725,111$14,180,582$13,987,357