Commodity2005200620072008200920102011
Tugs & pusher craft$8,129,178$17,553,486$20,759,910$21,945,769$30,015,958$18,995,677$25,102,066
Total$8,129,178$17,553,486$20,759,910$21,945,769$30,015,958$18,995,677$25,102,066