Commodity2005200620072008200920102011
Tugs & pusher craft$6,458,839$7,069,307$30,263,907$292,979$12,002,782$9,881,401$30,875,909
Total$6,458,839$7,069,307$30,263,907$292,979$12,002,782$9,881,401$30,875,909