Commodity2005200620072008200920102011
Tugs & pusher craft$1,830,494$2,862,430$3,587,839$8,524,578$2,301,458$3,018,886$159,419
Total$1,830,494$2,862,430$3,587,839$8,524,578$2,301,458$3,018,886$159,419