Development Projects In Progress And Development Projects In Progress And Deferred Structures Net、浚渫船、当期純利益又は当期純損失（△）
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Deferred Structures Net | 浚渫船 | 当期純利益又は当期純損失（△） |
|---|
| 2008/03 | - | | 175億 | | 25.7億 | |
| 2009/03 | - | | 161億 | -8.1% | -33.4億 | 赤転 |
| 2010/03 | - | | 162億 | +0.7% | 17.5億 | 黒転 |
| 2011/03 | - | | 164億 | +0.8% | 21.6億 | +23.9% |
| 2012/03 | - | | 158億 | -3.4% | 16.2億 | -25% |
| 2013/03 | - | | 160億 | +1.4% | 20.3億 | +25.1% |
| 2014/03 | - | | 166億 | +3.7% | - | |
| 2015/03 | - | | 166億 | -0.3% | - | |
| 2016/03 | - | | 166億 | +0% | - | |
| 2017/03 | - | | 157億 | -5.7% | - | |
| 2018/03 | - | | 157億 | ±0% | - | |
| 2019/03 | - | | 157億 | +0.2% | - | |
| 2020/03 | - | | 161億 | +2.4% | - | |
| 2021/03 | - | | 161億 | -0% | - | |
| 2022/03 | - | | 169億 | +5.3% | - | |
| 2023/03 | - | | 171億 | +1.2% | - | |
| 2024/03 | - | | 163億 | -4.5% | - | |
| 2025/03 | - | | 158億 | -3.3% | - | |
