Development Projects In Progress And Development Projects In Progress And Intangible Assets、浚渫船（純額）、税引前当年度純利益
- 【期間】
| 年度 | Development Projects In Progress And Development Projects In Progress And Intangible Assets | 浚渫船（純額） | 税引前当年度純利益 |
|---|
| 2008/03 | - | | 17.6億 | | 43.3億 | |
| 2009/03 | - | | 12.6億 | -28.3% | 3.3億 | -92.4% |
| 2010/03 | - | | 10.1億 | -20.1% | 8.52億 | +158.2% |
| 2011/03 | - | | 9.4億 | -6.9% | 55.2億 | +547.4% |
| 2012/03 | - | | 5.4億 | -42.6% | 63.1億 | +14.4% |
| 2013/03 | - | | 7.42億 | +37.4% | 50.2億 | -20.5% |
| 2014/03 | - | | 10.9億 | +46.6% | 87.4億 | +74.2% |
| 2015/03 | - | | 9.35億 | -14.1% | 102億 | +16.4% |
| 2016/03 | - | | 7.17億 | -23.3% | 142億 | +40% |
| 2017/03 | - | | 5.87億 | -18.1% | 230億 | +61.7% |
| 2018/03 | - | | 4.81億 | -18.1% | 253億 | +9.8% |
| 2019/03 | - | | 4.14億 | -13.9% | 266億 | +5% |
| 2020/03 | - | | 4.17億 | +0.7% | 325億 | +22.2% |
| 2021/03 | - | | 2.58億 | -38.1% | 302億 | -7.1% |
| 2022/03 | - | | 9.19億 | +256.2% | 161億 | -46.7% |
| 2023/03 | - | | 8.82億 | -4% | 16.7億 | -89.6% |
| 2024/03 | - | | 6.59億 | -25.3% | 274億 | 大幅増 |
| 2025/03 | - | | 4.55億 | -31% | 193億 | -29.7% |
