Development Projects In Progress And Development Projects In Progress And Current Assets、当期純利益又は当期純損失（△）、浚渫船
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Current Assets | 当期純利益又は当期純損失（△） | 浚渫船 |
|---|
| 2008/03 | - | | 25.7億 | | 175億 | |
| 2009/03 | - | | -33.4億 | 赤転 | 161億 | -8.1% |
| 2010/03 | - | | 17.5億 | 黒転 | 162億 | +0.7% |
| 2011/03 | - | | 21.6億 | +23.9% | 164億 | +0.8% |
| 2012/03 | - | | 16.2億 | -25% | 158億 | -3.4% |
| 2013/03 | - | | 20.3億 | +25.1% | 160億 | +1.4% |
| 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% |
