Revenue per ton improved due to higher prices on coal used to generate power and make steel. 每吨收入提高由于高价煤用于发电和制造钢铁。
Lewis Navarro noted that a portion of the revenue generated by each ton of cargo that passes through the waterway goes to education and social programs. 刘易斯·纳维拉表示通过河道的货船所产生的部分收益将用于教育和社会项目。