| Future minimum contractual obligations |
| | | | | | | | | | | Charter-in Vessels, barges and pushboats in operation | | | Charter-in vessels to be delivered | | June 30, 2019 | | $ | 119,315 | | | $ | 4,306 | | June 30, 2020 | | | 104,243 | | | | 13,693 | | June 30, 2021 | | | 78,832 | | | | 17,156 | | June 30, 2022 | | | 54,222 | | | | 16,944 | | June 30, 2023 | | | 39,072 | | | | 16,706 | | June 30, 2024 and thereafter | | | 59,035 | | | | 53,440 | | Total | | $ | 454,719 | | | $ | 122,245 | | | | | | | | | | |
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